CN203844125U - Injection mold of throttle valve cover - Google Patents

Abstract

The utility model provides an injection mold of a throttle valve cover. A boss with a hole is arranged on a disc arched surface of the throttle valve cover. The mold comprises an upper mold component and a lower mold component, wherein the upper mold component comprises an upper mold block, a limiting rod and a sliding block; the upper mold block comprises a locking block sliding groove; the locking block sliding groove is internally provided with a locking block which slides vertically; a flange is arranged at the upper end of the limiting rod; a step hole is formed in the upper end of the locking block; the lower end of the limiting rod penetrates through the step hole and is subsequently connected with the upper mold block; the lower end of the locking block takes the shape of a shifting fork; sliding block sliding grooves which are in certain constant slope with the sliding direction of the locking block are formed in two side walls of the shifting fork; the sliding block sliding grooves are matched with tail part flanges of the sliding blocks and are used for driving the sliding block to make straight line movement inside a sliding block guide groove; a head part flange is arranged at the head part of the sliding block; a forming surface in match with the disc arched surface of the throttle valve cover is arranged at the lower end of the upper mold plate; a forming surface in match with a concave arched surface of the throttle valve cover is arranged at the upper end of the lower mold block of the lower mold component. By adopting the injection mold, production efficiency and forming quality of the throttle valve cover are high.

Description

A kind of injection mold of choke valve valve gap

Technical field

The utility model relates to injection mold technical field, particularly relates to a kind of injection mold of choke valve valve gap.

Background technology

In automobile accessories parts, used the valve of number of different types, by changing throttling cross section, chock length etc., controlled fluid flow, or by spool and valve seat gap, change the flow resistance of the valve of flowing through, to reach the object of adjust flux.Therefore, choke valve is one of Important Components in automobile accessories parts, and the quality of its properties of product will directly affect the performance of automobile.

Choke valve comprises valve body, spool and valve gap etc., guarantees the form and position tolerance of each parts of choke valve, the accuracy of manufacture of each parts of assurance choke valve is the basis of realizing choke valve product quality, is also the guarantee of automobile product performance.A kind of automobile of prior art is to strengthen the injection mo(u)lding of glass (PA66GF35) material with nylon with the valve gap product of choke valve, as shown in Figure 1, the outer surface of this valve gap is disk arc-shaped curved surface 1a, this disk arc-shaped curved surface 1a is provided with the boss 1b of a 1c with holes, hole 1c on this boss 1b axially approaches vertically with its upper module of injection mold and the folding mould direction of lower module, and this is out that injection forming mold of making a pair energy high-quality, volume production has caused great technical barrier.The injection mo(u)lding of prior art tends to adopt the combination version of splicing mutually, and such structure can cause loose plug burr, on disk arc-shaped curved surface 1a, repair the burr difficult matter of part operating difficulties, time and effort consuming especially of inserting.

Summary of the invention

The shortcoming of prior art in view of the above, the technical problems to be solved in the utility model is to provide the injection mold of the choke valve valve gap that a kind of Forming Quality is good, production efficiency is high, to overcome the above-mentioned defect of prior art.

In order to solve the problems of the technologies described above, the utility model provides a kind of injection mold of choke valve valve gap, the outer surface of described choke valve valve gap is disk arc-shaped curved surface, and described disk arc-shaped curved surface is provided with boss with holes, and described injection mold comprises upper die component and lower membrane module;

Described upper die component comprises upper module, gag lever post and slide block; Described upper module comprises latch segment chute and slider guide groove, is provided with the latch segment sliding up and down along described latch segment chute in described latch segment chute; The upper end of described gag lever post is provided with positive stop lug boss, and the upper surface of described latch segment is provided with that aperture, upper end is large, the little shoulder hole in aperture, lower end, and the lower end of described gag lever post is through described shoulder hole and be connected with described upper module; The lower end of described latch segment is shift fork shape, the two side of described shift fork is provided with the slide block chute that is constant slope with the glide direction of described latch segment, described slide block chute coordinates with the tail flange of described slide block tail end, drive described slide block to do rectilinear motion in the slider guide groove of described upper module inside, the head of described slide block is provided with head flange; The lower end of described upper module is provided with the valve gap disk arc-shaped curved surface forming surface matching with described disk arc-shaped curved surface;

Described lower membrane module comprises lower module, and the upper end of described lower module is provided with the valve gap inner sunken face forming surface that the inner sunken face with described choke valve valve gap matches.

Preferably, the body of rod of described gag lever post is provided with back-moving spring.

Preferably, described upper die component also comprises briquetting, and the lower end of described briquetting is connected with latch segment shutter, and the upper surface of described latch segment is provided with the shutter mating holes that is interference fit with described latch segment shutter.

Preferably, described upper module comprises top mold frame and is fixed on the upper mold core of described top mold frame inside, described latch segment chute runs through the upper surface of described top mold frame and the lower surface of described upper mold core, the lower end of described gag lever post is connected with described upper mold core, it is inner that described slider guide groove is located at described upper mold core, and described valve gap disk arc-shaped curved surface forming surface is located at the lower end of described upper mold core.

Preferably, described lower module comprises lower mold holder and the lower mold core that is fixed on described lower mold holder inside, and described valve gap inner sunken face forming surface is located at the upper end of described lower mold core.

Preferably, be provided with the latch segment cushion block that the side with described latch segment fits in the latch segment chute of described upper module, described latch segment cushion block and described upper module are fixed.

Preferably, described slide block is split-type structural, comprises slider head and slide block handle, and described tail flange is located at the tail end of slide block handle, and described head flange is located at the head of slider head, and the head of described slide block handle is connected with the afterbody of described slider head.

Preferably, the head of described slide block handle and the afterbody of described slider head are realized axially and being connected by oat tail groove structure.

As mentioned above, the injection mold of a kind of choke valve valve gap of the present utility model, has following beneficial effect:

1, can realize the volume production of choke valve valve gap, thereby production efficiency is high; It is automatically release that described latch segment can drive described slide block to carry out, and the die joint of product is reduced, thereby make the choke valve valve gap Forming Quality produced high; Described latch segment drives described slide block to do rectilinear motion in the slider guide groove of described upper module inside by its shift fork, avoided the setting of Angle Pin in the injection mold of prior art, thereby the utility model is simple in structure, compact, be convenient to manufacture, take up room little.

2, the setting of back-moving spring and latch segment shutter, make described choke valve valve gap after injection mo(u)lding, before the utility model do not have die sinking, described slide block can be automatically with described disk arc-shaped curved surface on the hole of boss be separated, thereby make the utility model automaticity high, easy to operate, die sinking is rapid, makes the production efficiency of choke valve valve gap high.

3, the split-type design of upper module and lower module, make upper mold core and top mold frame can adopt different materials, lower mold core and lower mold holder also can adopt different materials, thus be conducive to improve upper module and lower module service life, reduce their manufacturing cost.

4, the setting of latch segment cushion block and the split of slide block design, make the utility model easy to assembly, be convenient to manufacture, thereby make low cost of manufacture of the present utility model.

Accompanying drawing explanation

Fig. 1 is shown as structural representation Fig. 1 of choke valve valve gap.

Fig. 2 is shown as structural representation Fig. 2 of choke valve valve gap.

Fig. 3 is shown as the structural representation of upper die component of the injection mold of choke valve valve gap of the present utility model.

The structural representation of the upper die component of injection mold that Fig. 4 is shown as choke valve valve gap of the present utility model after removing upper mold core.

Fig. 5 is shown as the partial enlarged drawing of I view in Fig. 4.

Fig. 6 is shown as the structural representation of lower membrane module of the injection mold of choke valve valve gap of the present utility model.

The cross-sectional schematic of the injection mold that Fig. 7 is shown as choke valve valve gap of the present utility model under die opening state.

The cross-sectional schematic of the injection mold that Fig. 8 is shown as choke valve valve gap of the present utility model under matched moulds state.

Fig. 9 is shown as the latch segment of injection mold and the assembly relation schematic diagram of slide block of choke valve valve gap of the present utility model.

Element numbers explanation

1 choke valve valve gap 1a disk arc-shaped curved surface

1b boss 1c hole

1d inner sunken face 100 upper die components

101 upper-mould top 102 leads

103 patrix limit pull rod 110 upper modules

111 valve gap disk arc-shaped curved surface forming surface 112 top mold frame

112a top mold frame locating piece 112b die joint shutter mating holes

113 upper mold core 113a upper mold core locating slots

120 briquetting 121 latch segment shutters

130 gag lever post 131 positive stop lug boss

140 latch segment 141 shoulder holes

142 shift fork 142a slide block chutes

150 slide block 151 tail flange

152 oat tail groove structure 153 head flange

160 back-moving spring 170 latch segment cushion blocks

200 times membrane module 201 die joint shutters

210 lower module 211 lower mold holders

211a pilot hole 211b resigning hole

211c lower mold holder locating slot 212 lower mold core

212a lower mold core locating piece 213 valve gap inner sunken face forming surface

220 counterdie bases

The specific embodiment

By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this description.

Refer to Fig. 1 to Fig. 9.Notice, appended graphic the illustrated structure of this description, ratio, size etc., equal contents in order to coordinate description to disclose only, for person skilled in the art scholar, understand and read, not in order to limit the enforceable qualifications of the utility model, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under the effect that the utility model can produce and the object that can reach, all should still drop in the scope that technology contents that the utility model discloses can contain.The upside of paper while observing Fig. 7, Fig. 8 of take in this description is upper direction, the downside of paper is lower direction, only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when being also considered as the enforceable category of the utility model.

As shown in Figure 1, in view of automobile is provided with the boss 1b of a 1c with holes with the disk arc-shaped curved surface 1a of choke valve valve gap 1, hole 1c on this boss 1b axially approaches vertical with its upper module of injection mold and the folding mould direction of lower module, therefore the injection mold of the choke valve valve gap 1 of prior art tends to adopt the combination version of splicing mutually, such structure not only affects the Forming Quality of described choke valve valve gap 1, also affects the production efficiency of described choke valve valve gap 1.Inventor of the present utility model provides a kind of injection mold of choke valve valve gap, by the latch segment arranging for mould with shift fork, make the slide block of shift fork driven mold do linear slide, make mould structure simple, compact, be convenient to manufacture, and make the die joint of choke valve valve gap product few, Forming Quality is high; Also make the automaticity of mould high, production efficiency is high.

To the injection mold of choke valve valve gap of the present utility model be elaborated by specific embodiment below.

As shown in Figure 7, Figure 8, a kind of injection mold of choke valve valve gap, comprises upper die component 100 and lower membrane module 200.

As shown in Figure 3, Figure 4, described upper die component 100 comprises upper-mould top 101, upper module 110, lead 102, patrix limit pull rod 103, and described upper module 110 lower surfaces can also be provided with die joint shutter mating holes 112b.Because the volume of upper module 110 is very large, in order to guarantee the service life of mould, make again the low cost of manufacture of upper module 110 simultaneously, preferably, described upper module 110 adopts split-type structural, comprise top mold frame 112 and be fixed on the upper mold core 113 of described top mold frame 112 inside, described upper mold core 113 can adopt that hardness is high, intensity good, wearability is good, also high die steel material of price, and 112 of described top mold frame can adopt than the low many materials such as 45 steel of die steel material price.The lower end of described top mold frame 112 is provided with top mold frame locating piece 112a, and the lower end of described upper mold core 113 is provided with upper mold core locating slot 113a.

Described upper module 110 comprises latch segment chute and slider guide groove, and described latch segment chute runs through the upper surface of described top mold frame 112 and the lower surface of described upper mold core 113, and described slider guide groove is located at described upper mold core 113 inside.

In described latch segment chute, be provided with the latch segment 140 sliding up and down along described latch segment chute.As shown in Figure 9, the upper surface of described latch segment 140 is provided with that aperture, upper end is large, the little shoulder hole 141 in aperture, lower end, the lower end of described latch segment 140 is shift fork shape, and the two side of described shift fork 142 is provided with the slide block chute 142a that is constant slope with the glide direction of described latch segment 140.

As shown in Fig. 4, Fig. 8, Fig. 9, described upper die component 100 also comprises gag lever post 130, slide block 150.The upper end of described gag lever post 130 is provided with positive stop lug boss 131, and the lower end of described gag lever post 130 is passed described shoulder hole 141 and is connected with the upper mold core 113 of described upper module 110.The slide block chute 142a of described latch segment 140 coordinates with the tail flange 151 of described slide block tail end, drives described slide block 150 to do rectilinear motion in the slider guide groove of described upper module 110 inside.

As shown in Figure 3, the lower end of described upper module 110 (when described upper module 110 adopts split-type structural, being the lower end of described upper mold core 113) is provided with the valve gap disk arc-shaped curved surface forming surface 111 that the disk arc-shaped curved surface 1a with described choke valve valve gap 1 matches.

As shown in Figure 6, described lower membrane module 200 comprises counterdie base 220, lower module 210; The upper surface of described lower module 210 is provided with the pilot hole 211a that matches with the lead 102 of upper die component 100, makes described patrix limit pull rod 103 can insert smoothly the resigning hole 211b of described lower membrane module 200, and the upper surface of described lower module 210 can also be provided with the die joint shutter 201 matching with described die joint shutter mating holes 112b.The upper end of described lower module 210 is provided with the valve gap inner sunken face forming surface 213 that the inner sunken face 1d (as shown in Figure 2) with described choke valve valve gap matches.

Because the volume of lower module 210 is very large, in order to guarantee the service life of mould, make again the low cost of manufacture of lower module 210 simultaneously, preferably, described lower module 210 adopts split-type structural, comprise lower mold holder 211 and the lower mold core 212 that is fixed on described lower mold holder 211 inside, described lower mold core 212 can adopt hardness high, intensity is good, wearability is good, price is high die steel material also, 211 of described lower mold holders can adopt than the low many materials such as 45 steel of die steel material price, the upper end of described lower mold holder 211 is provided with lower mold holder locating slot 211c, the upper end of described lower mold core 212 is provided with lower mold core locating piece 212a.Now, described valve gap inner sunken face forming surface 213 is located at the upper end of described lower mold core 212.

As shown in Figures 3 to 6, the valve gap disk arc-shaped curved surface forming surface 111 of upper module 110 lower ends of the injection mold of choke valve valve gap of the present utility model and the valve gap inner sunken face forming surface 213 of lower module 210 upper ends can be made as one group, two or more groups, correspondingly, each group all should configure a slide block 150, each slide block 150 all should configure a latch segment 140, and each latch segment 140 all should configure at least one gag lever post 130.From the angle of stress balance, consider, preferably, each latch segment 140 configuration two gag lever post 130, two gag lever post 130 is divided into the both sides of corresponding latch segment 140.

The injection mold of choke valve valve gap of the present utility model is when original state, the lead 102 of upper die component 100 coordinates with the pilot hole 211a of lower membrane module 200, the defining flange of patrix limit pull rod 103 lower ends of upper die component 100 props up the lower surface of described upper module 110, makes the lower surface of upper module 110 and the upper surface of lower module 210 keep a certain amount of spacing.As shown in Figure 8, during matched moulds, upper module 110, under the promotion of the upper-mould top 101 of the injection mold of choke valve valve gap of the present utility model, moves to lower module 210 under the guide effect of lead 102; Until the upper mold core locating slot 113a of upper die component 100 coordinates with lower mold core locating piece 212a, meanwhile, die joint shutter mating holes 112b coordinates with the die joint shutter 201 of lower membrane module 200; Afterwards, the top mold frame locating piece 112a of the lower end of described top mold frame 112 coordinates with the lower mold holder locating slot 211c of the upper end of described lower mold holder 211, the upper surface laminating of the lower surface of upper die component 100 and lower membrane module 200.Make described latch segment 140 in described latch segment chute in sliding up and down the lower end extreme position of stroke, now the head flange 153 of slide block 150 heads is stretched out slider guide groove, be against in the valve gap disk arc-shaped curved surface forming surface 111 of described upper module 110, slide block 150, the shape of the valve gap inner sunken face forming surface of the described lower module 210 213 common cavity geometries that form and described choke valve valve gap 1 is identical, can obtain the product of described choke valve valve gap 1 with the valve gap disk arc-shaped curved surface forming surface 111 of described upper module 110 by Shooting Technique.As shown in Figure 7, during die sinking, first, described latch segment 140 is moved up, until the positive stop lug boss 131 of described gag lever post 130 upper ends props up the step surface of described shoulder hole 141, now, described latch segment 140 in described latch segment chute in sliding up and down the upper end extreme position of stroke, because the slide block chute 142a of described latch segment 140 moves up, and described slide block 150 is subject to the restriction of the slider guide groove of described upper module 110 inside, can not do the slip of above-below direction, thereby the result that described latch segment 140 moves up coordinates the lower end of the tail flange 151 of described slide block 150 tail ends and the slide block chute 142a of described latch segment 140, realize described slide block 150 axial rectilinear motion along hole 1c in the slider guide groove of described upper module 110 inside, throw off with the hole 1c of described choke valve valve gap 1, then, upper-mould top 101 by the injection mold of choke valve valve gap of the present utility model drives upper modules 110 to move up, until the defining flange of patrix limit pull rod 103 lower ends props up the lower surface of described upper module 110, make the lower surface of upper module 110 and the upper surface of lower module 210 keep a certain amount of spacing, now, just can the product of described choke valve valve gap 1 be taken out by the space between upper module 110 and lower module 210.

Visible, the utility model can be realized the volume production of choke valve valve gap 1, thereby production efficiency is high; It is automatically release that described latch segment 140 can drive described slide block 150 to carry out, and the die joint of product is reduced, thereby make the choke valve valve gap Forming Quality produced good; Described latch segment 140 drives described slide block 150 to do rectilinear motion in the slider guide groove of described upper module 110 inside by its shift fork 142, avoided the setting of Angle Pin in the injection mold of prior art, thereby the utility model is simple in structure, compact, be convenient to manufacture, take up room little.

In order to increase automaticity of the present utility model, after the injection mo(u)lding of described choke valve valve gap 1, described latch segment 140 can be automatically, move up in time, preferably, the body of rod of described gag lever post 130 is provided with back-moving spring 160, this back-moving spring 160 is stage clip, makes described latch segment 140 automatically in it, slide up and down the upper end extreme position of stroke in the situation that not being subject to external force.And in the injection molding process of described choke valve valve gap 1, can make described latch segment 140 slide up and down the lower end extreme position of stroke in it by external force.

In order further to guarantee to slide up and down the lower end extreme position of stroke at latch segment described in injection molding process 140 in it, after injection mo(u)lding, described latch segment 140 can reset in time, preferably, as shown in Figure 7 to 9, can also make described upper die component 100 comprise briquetting 120, the lower end of described briquetting 120 can also be connected with latch segment shutter 121, when the lower end of described briquetting 120 is connected with described latch segment shutter 121, correspondingly, the upper surface of described latch segment 140 is provided with the shutter mating holes (not shown) that is interference fit with described latch segment shutter.Can be described briquetting 120 configuration pushing mechanisms, by pushing mechanism, drive described briquetting 120 that described latch segment 140 is pressed onto to the lower end extreme position that it slides up and down stroke, when described latch segment 140 upward slidings reset, latch segment shutter 121 and the described latch segment 140 of described briquetting 120 lower ends are interference fit, once described back-moving spring 160 is damaged, described briquetting 120 is driven to move upward by pushing mechanism and still can make latch segment shutter 121 drive described latch segment 140 upward sliding in described latch segment chute, realization automatically resets, the damage of anti-limited slip block 150.Certainly for the utility model configures under the prerequisite of briquetting 120 and latch segment shutter 121, also back-moving spring 160 can be dispensed, can make equally described latch segment 140 automatically, in described latch segment chute, move up in time.

For make upper die component 100 of the present utility model easy to assembly, be convenient to manufacture, reduce manufacturing cost, preferably, as shown in Figure 7, Figure 8, in the latch segment chute of described upper module 110, be provided with the latch segment cushion block 170 that the side with described latch segment 140 fits, described latch segment cushion block 170 and described upper module 110 fixing (when described upper module 110 adopts split-type structural, described latch segment cushion block 170 is fixing with described top mold frame 112).When assembling upper die component 100, can first described slide block 150 be put into the slider guide groove of described upper module 110, then described latch segment 140 is put into the latch segment chute of upper module 110, the tail flange 151 of described slide block 150 is inserted in the slide block chute 142a of described latch segment 140 at an easy rate, again described latch segment cushion block 170 is inserted in described latch segment chute, realize the accurate location of described latch segment 140 in latch segment chute.

Similarly, in order to make upper die component 100 of the present utility model easy to assembly, preferably, as shown in Figure 5, described slide block 150 is split-type structural, comprises slider head and slide block handle, and described tail flange 151 is located at the tail end of slide block handle, described head flange 153 is located at the head of slider head, and the head of described slide block handle is connected with the afterbody of described slider head.Described slide block 150 is when being fitted into the slider guide groove of described upper module 110, and described slide block handle is inserted by one end of the described slider guide groove near described latch segment 140, and described slider head is inserted by the other end of described slider guide groove.For described slider head is connected fast with described slide block handle, preferably, the head of described slide block handle is realized and being axially connected by oat tail groove structure 152 with the afterbody of described slider head.

In sum, the utility model makes that the production efficiency of choke valve valve gap 1 is high, Forming Quality good, and simple in structure, compact, is convenient to manufacture, and takes up room little.The utility model also have advantages of long service life, low cost of manufacture, easy to assembly, be convenient to manufacture.So the utility model has effectively overcome various shortcoming of the prior art and tool high industrial utilization.

Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.

Claims (9)

1. the injection mold of a choke valve valve gap, the outer surface of described choke valve valve gap (1) is disk arc-shaped curved surface (1a), described disk arc-shaped curved surface (1a) is provided with boss with holes (1b), and described injection mold comprises upper die component (100) and lower membrane module (200); It is characterized in that,

Described upper die component (100) comprises upper module (110), gag lever post (130) and slide block (150); Described upper module (110) comprises latch segment chute and slider guide groove, is provided with the latch segment (140) sliding up and down along described latch segment chute in described latch segment chute; The upper end of described gag lever post (130) is provided with positive stop lug boss (131), the upper surface of described latch segment (140) is provided with that aperture, upper end is large, the little shoulder hole (141) in aperture, lower end, and the lower end of described gag lever post (130) is through described shoulder hole (141) and be connected with described upper module (110); The lower end of described latch segment (140) is shift fork shape, the two side of described shift fork (142) is provided with the slide block chute (142a) that is constant slope with the glide direction of described latch segment (140), described slide block chute (142a) coordinates with the tail flange (151) of described slide block (150) tail end, drive described slide block (150) to do rectilinear motion in the inner slider guide groove of described upper module (110), the head of described slide block (150) is provided with head flange (153); The lower end of described upper module (110) is provided with the valve gap disk arc-shaped curved surface forming surface (111) matching with described disk arc-shaped curved surface (1a);

Described lower membrane module (200) comprises lower module (210), and the upper end of described lower module (210) is provided with the valve gap inner sunken face forming surface (213) that the inner sunken face (1d) with described choke valve valve gap matches.

2. the injection mold of choke valve valve gap according to claim 1, is characterized in that: the body of rod of described gag lever post (130) is provided with back-moving spring (160).

3. the injection mold of choke valve valve gap according to claim 1, it is characterized in that: described upper die component (100) also comprises briquetting (120), the lower end of described briquetting (120) is connected with latch segment shutter (121), and the upper surface of described latch segment (140) is provided with the shutter mating holes that is interference fit with described latch segment shutter (121).

4. the injection mold of choke valve valve gap according to claim 2, it is characterized in that: described upper die component (100) also comprises briquetting (120), the lower end of described briquetting (120) is connected with latch segment shutter (121), and the upper surface of described latch segment (140) is provided with the shutter mating holes that is interference fit with described latch segment shutter (121).

5. according to the injection mold of the arbitrary described choke valve valve gap of claim 1 to 4, it is characterized in that: described upper module (110) comprises top mold frame (112) and is fixed on the inner upper mold core (113) of described top mold frame (112), described latch segment chute runs through the upper surface of described top mold frame (112) and the lower surface of described upper mold core (113), described gag lever post (130) lower end is connected with described upper mold core (113), described slider guide groove is located at described upper mold core (113) inside, and described valve gap disk arc-shaped curved surface forming surface (111) is located at the lower end of described upper mold core (113).

6. according to the injection mold of the arbitrary described choke valve valve gap of claim 1 to 4, it is characterized in that: described lower module (210) comprises lower mold holder (211) and be fixed on the inner lower mold core (212) of described lower mold holder (211), described valve gap inner sunken face forming surface (213) is located at the upper end of described lower mold core (212).

7. according to the injection mold of the arbitrary described choke valve valve gap of claim 1 to 4, it is characterized in that: in the latch segment chute of described upper module (110), be provided with the latch segment cushion block (170) that the side with described latch segment (140) fits, described latch segment cushion block (170) is fixing with described upper module (110).

8. according to the injection mold of the arbitrary described choke valve valve gap of claim 1 to 4, it is characterized in that: described slide block (150) is split-type structural, comprise slider head and slide block handle, described tail flange (151) is located at the tail end of slide block handle, described head flange (153) is located at the head of slider head, and the head of described slide block handle is connected with the afterbody of described slider head.

9. the injection mold of choke valve valve gap according to claim 8, is characterized in that: the head of described slide block handle is realized and being axially connected by oat tail groove structure (152) with the afterbody of described slider head.