CN212389620U - TP pressure maintaining jig - Google Patents

Abstract

The utility model provides a TP pressure maintaining jig which is used for maintaining pressure and fixing a TP plate bonded on a product and comprises a bottom plate and a plurality of clamps; the bottom plate is made of a hard plate and is arranged in a strip shape; the multiple clamps are arranged at intervals along the length of the bottom plate, each clamp comprises a mounting seat, a handle, a front pressing handle and a pressure maintaining assembly, the mounting seats are detachably connected with the bottom plate, the handles and the front pressing handles are connected and then mounted on the mounting seats, the pressure maintaining assemblies are arranged at the free ends, far away from the handles and the mounting seats, of the front pressing handles, and the pressure maintaining assemblies can move along the length direction of the front pressing handles to adjust the positions; the handle is used for driving the free end of the front pressing handle to move downwards when the handle is pulled downwards, so that the lower end of the pressure maintaining assembly is in a pressure maintaining state abutted to the TP plate. The technical scheme of the utility model simple structure is suitable for size scope big, can effectively reduce TP pressurize tool's cost and improve pressurize efficiency.

Description

TP pressure maintaining jig

Technical Field

The utility model belongs to the technical field of the pressurize tool, especially, relate to a TP pressurize tool.

Background

When processing electronic product such as smart mobile phone, panel computer, intelligent wrist-watch, there is one process to be with TP (Top Plant surface screen) board laminating on the fuselage of product, usually will bond the TP board that has glue and place in the TP standing groove on the fuselage, then the rethread presses down and makes the TP board laminating on the fuselage. Here, because need press to glue and air-dry after fully, the TP board just can bond the fastening, so in this process, still need to use the automatic pressurize tool of special design to carry out the pressurize of a period to the electronic product that bonds the TP board and handle.

However, the automatic TP pressure maintaining jig on the market at present has the following disadvantages, which results in an increase in cost and a decrease in production efficiency:

on the first hand, the automatic TP pressure maintaining jig is complex in design and expensive in manufacturing cost, the whole automatic TP pressure maintaining jig is integrally fixed by an upper clamp and a lower clamp, a transmission system and a control system are matched for integral installation control, a booster and a 220V power supply are required to be matched for providing kinetic energy, the whole set of equipment is precise in combination, any module breaks down and stops running, and when the automatic TP pressure maintaining jig is additionally upgraded into an automatic TP pressure maintaining jig, the cost is not paid for;

in the second aspect, the automatic TP pressure maintaining jig has large limitation, and the size range of the applicable TP plate is small due to the small moving range of the pressure maintaining block, so that the automatic pressure maintaining jig is not suitable for pressure maintaining of TP plates with multiple sizes, and the TP glue is generally cured after 2 hours, so that the automatic pressure maintaining machine needs to maintain pressure for a long time, so that a single pressure maintaining machine can only maintain 1-2 sets of products at one time, the single pressure maintaining quantity is small, the production efficiency and the productivity are greatly reduced, and the production requirement of improving the production efficiency and reducing the cost as much as possible in a production assembly workshop cannot be met;

in the third aspect, the automatic TP pressure maintaining jig in the market also needs matching equipment such as a supercharger, a transmission system and a 220V power supply system, and is high in noise and electric energy consumption during operation, and not beneficial to energy conservation and environmental protection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a TP pressurize tool, it aims at solving current automatic pressurize tool problem with high costs and inefficiency.

The utility model provides a TP pressurize tool for it is fixed to bond the TP board pressurize on the product, include:

the bottom plate is made of a hard plate and is arranged in a strip shape; and the number of the first and second groups,

the clamping devices are arranged at intervals along the length of the bottom plate, each clamping device comprises a mounting seat, a handle, a front pressing handle and a pressure maintaining component, the mounting seat is detachably connected with the bottom plate, the handle and the front pressing handle are connected and then mounted on the mounting seat, the pressure maintaining component is arranged at the free end, far away from the handle and the mounting seat, of the front pressing handle, and the pressure maintaining component can move along the length direction of the front pressing handle to adjust the position;

the handle is used for driving the free end of the front pressing handle to move downwards when the handle is pulled downwards, so that the lower end of the pressure maintaining assembly is in a pressure maintaining state abutted to the TP plate.

Optionally, the bottom plate includes a plate body and two opposite support bars respectively disposed on two sides of the plate body in the width direction, and the length extending directions of the two support bars are consistent with the length direction of the plate body;

the upper plate surface of the plate body and the two inner side surfaces of the two support strips are enclosed to form an accommodating space, and the accommodating space is used for sequentially arranging and placing a plurality of products with the upper surfaces being adhered with the TP plates along the length direction of the plate body;

each all along length direction interval arrange a plurality ofly on the support bar anchor clamps the pressurize state, each the top butt of TP board has two at least the pressurize subassembly.

Optionally, the support bar includes a plurality of upper and lower range upon range of branch packing strips, anchor clamps are installed on the uppermost layer divide the packing strip, anchor clamps pass through a plurality of divide the quantity of packing strip add and subtract and the lower extreme of pressurize subassembly is relative the distance adjustment of preceding pressure handle, and realize the position control in upper and lower direction.

Optionally, the plurality of clamps on the support bars are uniformly arranged at intervals, and the clamps on the two support bars are consistent in number and correspond to one another in position.

Optionally, preceding pressure handle includes the linkage segment and is equipped with the regulation section of pressurize subassembly, be equipped with the bar regulation hole that extends along length direction on the regulation section, the pressurize subassembly is kept away from the upper end of TP board is worn to establish behind the bar regulation hole with preceding pressure handle is connected.

Optionally, the pressurize subassembly includes slider, connection regulating part and pressure maintaining head, the slider with preceding pressure handle is connected and can slide in the bar regulation hole, the connection regulating part is worn to establish the lower extreme of slider is connected with the pressure maintaining head, the lower terminal surface of pressure maintaining head with the TP board butt.

Optionally, the sliding block comprises a sliding body and an upper blocking piece, the sliding body is sleeved in the strip-shaped adjusting hole, the upper blocking piece is hung on the upper end face of the front pressing handle, the upper end of the sliding body is connected with the lower surface of the upper blocking piece, and the connecting and adjusting piece is connected with the pressure maintaining head after sequentially penetrating through the upper blocking piece and the sliding body; and an upper flange extending outwards is convexly arranged at the outer edge of the upper baffle plate.

Optionally, connect the regulating part and include screw rod and two nuts, the screw rod is worn to establish the top suspension piece with the slip body, and can be relative the slider reciprocates, two the nut is all established on the screw rod, and divide and locate the upper and lower both ends of slider, the screw rod is through adjusting to predetermineeing the position after, two the nut screw up to respectively with the upper and lower both ends terminal surface butt of slider, and realize with the rigidity of slider.

Optionally, the pressure-maintaining head is made of a soft elastic material.

Optionally, the mounting seat includes two support pieces arranged oppositely, each support piece has an L-shaped cross section, and includes a first plate attached to the bottom plate and a first vertical plate extending upward from the first plate toward an inner edge of the other support piece, and a mounting cavity for mounting the handle and the front pressing handle is formed between the two first vertical plates at an interval; the handle with press the handle before and be connected through the transmission shaft, the first riser with the handle spiro union.

Based on the structure design, in the technical scheme of the utility model, because a plurality of anchor clamps have been arranged along its length direction interval on the bottom plate of rectangular shape, and when the handle of each anchor clamps was broken off with the fingers and thumb downwards, the free end that can drive preceding pressure handle moved downwards to make the lower extreme of pressurize subassembly and TP board butt, like this, when the in-service use, just need according to TP board size and the size of bottom plate, set up the anchor clamps of suitable quantity, then place the product that has all cushioned the foam from top to bottom on the bottom plate suitable position before the pressurize, and adjust anchor clamps to suitable position, height and angle; then, pressing down the handle can make the TP plate be pressed downwards by the pressure maintaining component, thereby realizing the clamping of the TP plate and maintaining the pressure for a preset time; finally, after the glue is dried, the clamp is loosened, and the product can be taken down. Can know by above use the technical scheme of the utility model discloses an among the technical scheme, the producer sets up anchor clamps according to the size of bottom plate is many, just can realize many products of disposable pressurize, effectively improves pressurize production efficiency, and this design also need not other corollary equipment and external energy maintenance and consumption moreover, only needs a staff to install and remove the product from top to bottom can. Therefore, the TP pressure maintaining jig has the advantages of simple structure, low cost, no need of electric energy consumption, environmental protection, multiple applicable sizes and convenient use due to adjustment in multiple directions.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a TP pressure maintaining jig provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a clamp provided by an embodiment of the present invention.

The reference numbers illustrate:

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It should be noted that the terms of left, right, upper and lower directions in the embodiments of the present invention are only relative concepts or are referred to the normal use state of the product, and should not be considered as limiting.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The embodiment of the utility model provides a TP pressurize tool.

Referring to fig. 1 and 2, in an embodiment, the TP pressure maintaining jig is used for maintaining pressure and fixing a TP plate adhered to a product, wherein the product may be, but is not limited to, a mobile phone, a tablet computer, and the like. The TP pressure maintaining jig comprises a base plate 100 and a plurality of clamps 200; the base plate 100 is made of a hard plate and is arranged in a long strip shape; the plurality of clamps 200 are arranged at intervals along the length of the bottom plate 100, each clamp 200 comprises an installation seat 210, a handle 220, a front pressure handle 230 and a pressure maintaining assembly 240, the installation seat 210 is detachably connected with the bottom plate 100, the handle 220 and the front pressure handle 230 are connected and then installed on the installation seat 210, the pressure maintaining assembly 240 is arranged at the free end, far away from the handle 220 and the installation seat 210, of the front pressure handle 230, and the pressure maintaining assembly 240 can move along the length direction of the front pressure handle 230 to adjust the position; the handle 220 is used for driving the free end of the front pressing handle 230 to move downwards when the handle is pulled downwards, so that the lower end of the pressure maintaining assembly 240 is in a pressure maintaining state abutting against the TP plate.

Based on the structural design, in the embodiment, because a plurality of clamps 200 are arranged on the strip-shaped bottom plate 100 at intervals along the length direction thereof, and when the handle 220 of each clamp 200 is pulled downwards, the free end of the front pressing handle 230 is driven to move downwards, so that the lower end of the pressure maintaining assembly 240 is abutted to the TP plate, in practical use, only a proper number of clamps 200 need to be arranged according to the size of the TP plate and the size of the bottom plate 100, then products padded with foam up and down are placed at proper positions on the bottom plate 100 before pressure maintaining, and the clamps 200 are adjusted to proper positions, heights and angles; then, pressing the lower handle 220 can make the TP plate pressed downward by the pressure maintaining assembly 240, thereby realizing clamping and pressure maintaining of the TP plate for a preset time; finally, after the glue dries, the product can be removed by loosening the clamp 200. Can know by above use the technical scheme of the utility model discloses an among the technical scheme, the producer sets up anchor clamps 200 according to bottom plate 100's size is many, just can realize many products of disposable pressurize, effectively improves pressurize production efficiency, and this design also need not other corollary equipment and external energy maintenance and consumption moreover, only need a staff install and remove from top to bottom the product can. Therefore, the TP pressure maintaining jig has the advantages of simple structure, low cost, no need of electric energy consumption, environmental protection, multiple applicable sizes and convenient use due to adjustment in multiple directions.

In addition, it should be noted that in this embodiment, the bottom plate 100 may be made of other discarded wooden boards or other hard boards, which is environmentally friendly and can save most of the material cost for the factory. In the design, the maximum vertical adjustable distance of the adopted clamp 200 is 5cm, the maximum front-back adjustable distance is 5cm, and the clamp is mainly suitable for carrying out TP pressure maintaining on a flat plate with 7-13.3 inches.

Referring to fig. 1, in the embodiment, the bottom plate 100 includes a plate body 110 and two opposite supporting bars 120 respectively disposed at two sides of the plate body 110 in the width direction, and the length extending directions of the two supporting bars 120 are the same as the length direction of the plate body 110; an accommodating space is formed by the upper plate surface of the plate body 110 and the two inner side surfaces of the two supporting strips 120 in a surrounding manner, and the accommodating space is used for sequentially arranging and placing a plurality of products with TP plates adhered to the upper surfaces along the length direction of the plate body 110; a plurality of clamps 200 are arranged on each support bar 120 at intervals along the length direction, and at least two pressure maintaining assemblies 240 are abutted above each TP plate in a pressure maintaining state. Here, the bottom plate 100 and the supporting bars 120 may be made of, but not limited to, secondary boards, such as wood boards, hardboards, and eboards, and the like, and any hard board with a smooth surface and high strength may be used, so that local materials are obtained, the cost is further reduced, and environmental protection is facilitated. Of course, in other embodiments, the supporting bars 120 and the clamps 200 may be disposed on only one side of the bottom plate 100, but in this embodiment, the supporting bars 120 and the clamps 200 are disposed on both sides of the bottom plate 100, so that the pressure maintaining force distribution is more uniform, which is beneficial to improving the pressure maintaining bonding effect of the TP plate. In practical application, the position of the lower end of the pressure maintaining assembly 240 of the fixture 200 can be adjusted in the up-down and front-back directions according to the size of the pressed TP plate, so that the lower end of the pressure maintaining assembly 240, namely the pressure maintaining head 243, is uniformly stressed with the TP plate, generally, a TP plate below eight inches only needs two fixtures 200 which are symmetrical in the front-back direction, and a TP plate above eight inches is fixed by four fixtures 200; thus, the number of the jigs 200 can be accurately evaluated according to the size and the yield of the order quantity. For example, it generally takes about two hours for the TP glue to completely dry, and if the yield per hour is 100pcs, 200 machine positions are required for holding 10 inches of TP boards, and a total of 800 fixtures 200 are required.

Further, in the present embodiment, the stay 120 includes a plurality of sub-beads stacked up and down, the clamp 200 is mounted on the uppermost sub-bead, and the position adjustment of the clamp 200 in the up-down direction is achieved by increasing or decreasing the number of the sub-beads and adjusting the distance of the lower end of the pressure maintaining assembly 240 with respect to the front pressure handle 230. Here, every branch packing strip can be thickness unanimous, also can be thickness inconsistent, and a plurality of branch packing strips can range upon range of link together, also can add or take out a certain number branch packing strip after the split, so, producers just can be according to actual demand, the nimble height of adjusting support bar 120.

Further, as shown in fig. 1, in the present embodiment, the plurality of clamps 200 on the supporting bars 120 are preferably arranged at uniform intervals, and the number of the clamps 200 on the two supporting bars 120 is consistent and the positions of the clamps 200 are in one-to-one correspondence, so that it is further beneficial to uniform pressure maintaining stress of each TP plate, and further beneficial to improve the quality consistency of pressure maintaining adhesion of the TP plates.

Referring to fig. 2, in the present embodiment, the axial length direction of the handle 220 and the front pressing handle 230 is taken as the front-back direction, the front pressing handle 230 includes a connecting section 231 and an adjusting section 232 provided with a pressure maintaining assembly 240, the adjusting section 232 is provided with a strip-shaped adjusting hole 233 extending along the length direction, the upper end of the pressure maintaining assembly 240 away from the TP plate penetrates through the strip-shaped adjusting hole 233 and then is connected with the front pressing handle 230, so that the position of the pressure maintaining assembly 240 in the front-back direction can be adjusted by moving the pressure maintaining assembly 240 in the strip-shaped adjusting hole 233.

Further, as shown in fig. 2, in the present embodiment, the pressure maintaining assembly 240 includes a slider 241, a connection adjusting member 242, and a pressure maintaining head 243, the slider 241 is connected to the front pressure handle 230 and can slide in the strip-shaped adjusting hole 233, the connection adjusting member 242 is connected to the pressure maintaining head 243 through the lower end of the slider 241, and the lower end surface of the pressure maintaining head 243 abuts against the TP plate. Here, the bar-shaped adjusting hole 233 is opened at the front to facilitate the installation of the slider 241. Specifically, the slider 241 includes a sliding body (not labeled) sleeved in the bar-shaped adjusting hole 233 and an upper blocking piece 241a, the upper blocking piece 241a is hung on the upper end surface of the front pressing handle 230, the upper end of the sliding body is connected with the lower surface of the upper blocking piece 241a, and the connecting adjusting piece 242 is connected with the pressure maintaining head 243 after sequentially penetrating through the upper blocking piece 241a and the sliding body; an upper flange 241b extending outward is convexly arranged at the outer edge of the upper blocking sheet 241 a. It can be understood that the upper blocking piece 241a is provided to enable the sliding block 241 to be stably hooked on the adjusting section 232 of the front pressing handle 230, of course, a lower blocking piece (not shown) may be further provided at the lower end of the sliding body, and a lower flange 241c is also convexly provided at the outer edge of the lower blocking piece. Here, the upper and lower stoppers 241a and 241c cooperate to effectively prevent the slider 241 from shaking up and down, and the upper and lower flanges 241b and 241c are also convenient for fingers to grip, so as to push the slider 241 to move in the bar-shaped adjustment hole 233. In addition, the slider 241 body, the upper stopper 241a, and the lower stopper are preferably integrally formed. However, the design is not limited thereto, and in other embodiments, the sliding of the pressure maintaining assembly 240 on the adjusting section 232 may be realized by other structural designs, which are not limited herein.

Further, as shown in fig. 2, in this embodiment, the connection adjusting member 242 includes a screw 242a and two nuts 242b, the screw 242a penetrates through the upper barrier 241a and the sliding body and can move up and down relative to the slider 241, the two nuts 242b are both sleeved on the screw 242a and are respectively disposed at the upper end and the lower end of the slider 241, and after the screw 242a is adjusted to a preset position, the two nuts 242b are screwed to respectively abut against the end faces of the upper end and the lower end of the slider 241, so as to fix the position of the slider 241. Specifically, the outer peripheral surface of the screw 242a is provided with external threads, and the nut 242b is provided with internal threads, which are detachably screwed. Of course, in other embodiments, the position of the pressure maintaining head 243 in the up-down direction may be adjusted by other structural designs.

Here, in order to prevent damage to the TP plate when pressed, the indenter 243 is preferably made of a soft elastic material in addition to foam padding on the TP plate. For example, in the present embodiment, the pressure maintaining head 243 may be made of rubber material, but may be made of, for example, but not limited to, silicone or other elastic plastics.

Further, referring to fig. 2, in the present embodiment, the mounting base includes two support pieces 211 disposed opposite to each other, each support piece 211 has an L-shaped cross section, and includes a first flat plate 211a attached to the bottom plate 100 and a first vertical plate 211b extending upward from the first flat plate 211a toward an inner side edge of the other support piece 211, and a mounting cavity for mounting the handle 220 and the front pressing handle 230 is formed between the two first vertical plates 211b at an interval; the handle 220 is connected with the front pressing handle 230 through a transmission shaft, and the first vertical plate 211b is screwed with the handle 220, so that when the handle 220 is pulled downwards, the free end of the front pressing handle 230 can be driven to move downwards. In addition, a handle protective sleeve 221 is further sleeved on one side of the handle 220 far away from the front pressing handle 230, and a groove 211c is formed in the upper end edge of the first vertical plate 211b to provide a certain space for avoiding the front end of the handle 220 when rotating.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (10)

1. The utility model provides a TP pressurize tool for it is fixed to bond the TP board pressurize on the product, its characterized in that includes:

the bottom plate is made of a hard plate and is arranged in a strip shape; and the number of the first and second groups,

the clamping devices are arranged at intervals along the length of the bottom plate, each clamping device comprises a mounting seat, a handle, a front pressing handle and a pressure maintaining component, the mounting seat is detachably connected with the bottom plate, the handle and the front pressing handle are connected and then mounted on the mounting seat, the pressure maintaining component is arranged at the free end, far away from the handle and the mounting seat, of the front pressing handle, and the pressure maintaining component can move along the length direction of the front pressing handle to adjust the position;

the handle is used for driving the free end of the front pressing handle to move downwards when the handle is pulled downwards, so that the lower end of the pressure maintaining assembly is in a pressure maintaining state abutted to the TP plate.

2. The TP pressure maintaining jig of claim 1, wherein the bottom plate comprises a plate body and two opposite supporting bars respectively arranged at two sides of the plate body in the width direction, and the length extending direction of the two supporting bars is consistent with the length direction of the plate body;

the upper plate surface of the plate body and the two inner side surfaces of the two support strips are enclosed to form an accommodating space, and the accommodating space is used for sequentially arranging and placing a plurality of products with the upper surfaces being adhered with the TP plates along the length direction of the plate body;

each all along length direction interval arrange a plurality ofly on the support bar anchor clamps the pressurize state, each the top butt of TP board has two at least the pressurize subassembly.

3. The TP pressure maintaining jig of claim 2, wherein the stay comprises a plurality of sub-beads stacked up and down, the jig is mounted on the sub-bead on the uppermost layer, and the jig is adjusted in position in the up-down direction by increasing or decreasing the number of the sub-beads and adjusting the distance of the lower end of the pressure maintaining assembly with respect to the front pressure bar.

4. The TP pressure maintaining jig of claim 2, wherein the plurality of the clamps on the supporting bars are uniformly arranged at intervals, and the number of the clamps on two supporting bars is consistent and the positions of the clamps on two supporting bars are in one-to-one correspondence.

5. A TP pressure maintaining jig according to any one of claims 1 to 4, wherein the front pressure handle comprises a connecting section and an adjusting section provided with the pressure maintaining assembly, the adjusting section is provided with a strip-shaped adjusting hole extending along the length direction, and the upper end of the pressure maintaining assembly away from the TP plate is connected with the front pressure handle after passing through the strip-shaped adjusting hole.

6. The TP pressure maintaining jig of claim 5, wherein the pressure maintaining assembly comprises a slider, a connection adjusting member and a pressure maintaining head, the slider is connected with the front pressure handle and can slide in the strip-shaped adjusting hole, the connection adjusting member is connected with the pressure maintaining head through the lower end of the slider, and the lower end surface of the pressure maintaining head abuts against the TP plate.

7. The TP pressure maintaining jig of claim 6, wherein the sliding block comprises a sliding body sleeved in the bar-shaped adjusting hole and an upper blocking piece, the upper blocking piece is hung on the upper end surface of the front pressure handle, the upper end of the sliding body is connected with the lower surface of the upper blocking piece, and the connecting adjusting piece is connected with the pressure maintaining head after sequentially penetrating through the upper blocking piece and the sliding body; and an upper flange extending outwards is convexly arranged at the outer edge of the upper baffle plate.

8. The TP pressure maintaining jig of claim 7, wherein the connection adjusting member comprises a screw rod and two screw caps, the screw rod penetrates through the upper retaining piece and the sliding body and can move up and down relative to the sliding block, the two screw caps are sleeved on the screw rod and are respectively arranged at the upper end and the lower end of the sliding block, and after the screw rod is adjusted to a preset position, the two screw caps are screwed to respectively abut against the end surfaces of the upper end and the lower end of the sliding block, so that the position of the screw rod and the sliding block are fixed.

9. The TP pressure maintaining jig of claim 6, wherein the pressure maintaining head is made of a soft elastic material.

10. The TP pressure maintaining jig of any one of claims 1 to 4, wherein the mounting seat comprises two opposite supporting sheets, each supporting sheet is L-shaped in cross section and comprises a first flat plate attached to the bottom plate and a first vertical plate extending upwards from the first flat plate towards the inner side edge of the other supporting sheet, and a mounting cavity for mounting the handle and the front pressing handle is formed between the first vertical plates at an interval; the handle with press the handle before and be connected through the transmission shaft, the first riser with the handle spiro union.

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