CN200942379Y

CN200942379Y - Silica gel gun

Info

Publication number: CN200942379Y
Application number: CN 200620132614
Authority: CN
Inventors: 王家达; 陆强; 谷文来
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2006-08-15
Filing date: 2006-08-15
Publication date: 2007-09-05
Anticipated expiration: 2016-08-15

Abstract

A silica gel gun, consisting of a causing (2), a push rod (4) connected with the causing (2), and an electrical motor (14) connected with the causing (2). The output end of the electrical motor (14) is connected with a transmission device (12), the transmission device (12) is connected with a driving device, the push rod (4) is connected with an operating part (6), the driving device is applied to drive the operating part (6) to make the push rod (4) to perform a intermittent type feed motion, so the driving device is Simplified, the cost is decreased and the hand operation can be realized.

Description

Silica gel gun

Technical field

The utility model relates to a kind of silica gel gun, and particularly, the utility model relates to a kind of push rod driving mechanism of silica gel gun.

Background technology

In the existing silica gel gun, manual promotion push rod is arranged, the motorized motions push rod is also arranged, but the silica gel gun that can manual and electronic mode can both realize is seldom arranged.

US4615469 has disclosed a kind of motorized motions mode of silica gel gun, output at motor is connected with gear by transmission device, when starter motor, motor is by the rotation of transmission mechanism driven wheel, and push rod is provided with tooth bar, by the engagement of rack and pinion, make push rod travel forward, thereby the extruding silica gel stick, simultaneously, seesawing of push rod is associated with the rotating of motor.Since adopt the type of drive of gear and tooth bar, the motor transmission mechanism relative complex, and in transmission and drive unit, parts are many, assembling complexity and cost height.

US6119903 has disclosed a kind of manual drives mode of silica gel gun, spanner is connected with push rod, exert pressure on spanner by the operator, with the past sinciput of push rod, thereby the extruding silica gel stick pushes out from gum outlet with silica gel, but this manual type of drive is compared with the motorized motions mode, inefficiency is wasted time and energy.

The utility model content

The purpose of this utility model provides a kind of simple and compact for structure, electrical silica gel gun that cost is low.

Another purpose of the present utility model provides a kind of energy and realizes manual and electrically operated silica gel gun.

A kind of silica gel gun, comprise housing, connected push rod with housing, connected operating parts with push rod, be provided with flexible member between housing and operating parts, housing has also connected motor, and described motor is connected with transmission mechanism at output, it is characterized in that described transmission mechanism connects and drives the driving mechanism that described operating parts is done intermittent movement.

Described motor, push rod and transmission mechanism and driving mechanism all are arranged in described housing.

Described housing comprises first housing and second housing, and described push rod is arranged in first housing, and described motor and transmission mechanism and driving mechanism are arranged in second housing, and described first housing is connected with second housing is dismountable.

Described second housing and first housing have at least two kinds of interface sites, so that driving mechanism can drive the stroke that operating parts produces different sizes.

Described driving mechanism comprises gear that links to each other with described transmission mechanism and the reciprocating member that is connected with gear off-centre.

Described reciprocating member is a reciprocating lever, and described reciprocating lever is provided with groove, and off-centre is provided with pin on described gear, and an end of described pin is arranged in described groove.

Described driving mechanism comprises gear that links to each other with described transmission mechanism and the cam that is connected with gear.

Described driving mechanism comprises the gear that links to each other with described transmission mechanism, and the sector gear that is connected with gear reaches the tooth bar with the sector gear engagement.

Described operating parts is provided with through hole, and described push rod passes between described through hole and described through hole and described push rod suitable surplus.

Described silica gel gun also comprises the power brick that is positioned near the housing medium position, and being used for provides power supply to described motor.

Described silica gel gun also comprises the travel switch that connects with housing, and described travel switch and described motor electrically connect.

Because drive part has adopted the working method of drive mechanism push rod, thereby avoid the defective that adopts rack-and-pinion to mesh, simplified driving mechanism, saved parts, reduced the cost of silica gel gun; Because power brick is arranged near the housing medium position, make that the structure of whole silica gel gun is compact, reduced packaging volume; Realize manual operation, inoperable defective when having avoided silica gel gun not have electricity by manual-operating mechanism and operating parts; The motorized motions module is made detachable, and a plurality of interface sites are arranged, cause to obtain different plastic emitting speed.

Description of drawings

Fig. 1 is the schematic diagram of operating parts reset mode among the utility model first embodiment.

Fig. 2 is the schematic diagram of the utility model first embodiment for operating parts and push rod interlocking pattern.

Fig. 3 is the partial sectional view that Fig. 1 overlooks state.

Fig. 4 is the partial enlarged drawing of Fig. 2.

Fig. 5 is the partial enlarged drawing of Fig. 1.

Fig. 6 is the second embodiment schematic diagram of the present utility model.

Fig. 7 is the schematic diagram of operating parts reset mode among the 3rd embodiment of the present utility model.

Fig. 8 is the schematic diagram of operating parts and push rod interlocking pattern among the 3rd embodiment of the present utility model.

Fig. 9 is the schematic diagram that operating parts cooperates with driving mechanism among the 4th embodiment of the present utility model.

Figure 10 is the schematic diagram that operating parts cooperates with driving mechanism among the 4th embodiment of the present utility model.

Wherein:

2 housings, 4 push rods, 6 operating parts

8 reciprocating members, 10 gears, 12 transmission devices

14 motors, 16 power brick, 18 spanners

20 contact points, 22 pins, 24 grooves

26 through holes, 28 flexible members, 30 silica gel sticks

32 switches, 34 front ends, 36 gum outlets

38 push rod right-hand members, 40 rear ends, 42 silica gel

44 push rod left ends, 46 reciprocating member right-hand members, 48 housing right-hand members

50 housing left ends, 52 travel switches, 54 first housings

60 rotating shafts of 56 second housings, 58 handles

62 spanner ends, 64 jump ring 8a cams

8b sector gear

81b tooth bar 82b tooth portion

82a end, 81a end 22a pin

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.

As shown in Figure 1, silica gel gun housing 2 is provided with the space that holds silica gel stick 30, the front end 34 of silica gel stick 30 is provided with gum outlet 36, gum outlet 36 cooperates with silica gel gun housing right-hand member 44, make the front end 34 of silica gel stick 1 lean against silica gel gun housing right-hand member 48, push rod 4 is arranged on the silica gel gun housing 2, and housing 2 motions of silica gel gun relatively, push rod right-hand member 38 withstands on the rear end 40 of silica gel stick 30, silica gel stick 30 motions relatively of the rear end 40 of silica gel stick, thereby, realize silica gel 42 is come out from gum outlet 36 extruding by pushing push rod 4.

Power brick 16 is arranged on silica gel gun housing 2 near medium position, can certainly be arranged on other suitable positions of silica gel gun, can certainly not adopt power brick 16, and adopts the mode of external AC power supply.Motor 14 is positioned at silica gel gun housing left end 50, and motor 14 is connected to power brick 16 by the lead (not shown).Silica gel gun housing 2 is provided with switch 32, is used to connect and cut off the connection between motor 14 and the power brick 16.Motor 14 outputs are connected with transmission device 12, and transmission device 12 herein is traditional mechanism, so repeat no more.

As shown in Figure 3, be connected with driving mechanism with transmission mechanism 12, drive mechanism operating parts 6 is done intermittent movement along the plastic emitting direction, comprise gear 10 and the reciprocating members 8 that are connected with gear 10 off-centre, its middle gear 10 is provided with pin 22, and pin 22 1 ends are fixed on the gear 10, and the other end is connected to reciprocating member 8, reciprocating member 8 herein can certainly be other reciprocating members for doing the reciprocating lever of horizontal reciprocating movement.Reciprocating member 8 is provided with groove 24, and the other end of pin 22 is arranged in this groove 24.When motor 14 work, the rotating band moving gear 10 of motor 14 moves in a circle, because gear 10 is that off-centre is connected with pin 22, makes pin 22 drive the reciprocating motion that reciprocating member 8 is done horizontal direction.

Shown in Fig. 1,2 and 4, push rod 4 and operating parts 6 are at the mating part cooperating, push rod 4 passes the through hole 26 that is arranged in the operating parts 6, push rod 4 herein is columniform, and that through hole 26 is arranged to is rectangular, and the diameter of this cylindrical push rod 4 is slightly less than rectangular width and length, thereby guarantees the suitable surplus between push rod 4 and operating parts 6 cooperations.Between operating parts 6 and housing 2, also be provided with flexible member 28, be stage clip, an end of stage clip is connected with silica gel gun housing 2 herein, and the other end is connected with operating parts 6, certainly flexible member 28 herein also can be other elastomers, so that operating parts 6 can return automatically.Between push rod 4 and housing 2, also be provided with jump ring 64.Reciprocating member right-hand member 46 matches with operating parts 6 at the drive division place, and operating parts 6 is provided with contact point 20, operating parts by the frictional force between contact point 20 and the push rod 4 with push rod 4 mutual interlocks.

The course of work of above-mentioned silica gel gun simply is described below, in the time will pushing silica gel stick 30, press switch 32, thereby starter motor 14, motor 14 drive transmission devices 12 begin to take exercises, and 10 rotations of transmission mechanism 12 driven gears, thereby it is reciprocating to drive reciprocating member 8, in the reciprocating in the horizontal direction process of reciprocating member 8, operating parts 6 is actuated towards the right side, make operating parts 6 reach position as shown in Figure 2, thereby contact point 20 is bitten (referring to Fig. 4) to push rod 4, this interlocking pattern causes reciprocating member 8 further in the process of right motion, overcome the frictional force between jump ring 64 and the push rod 4, move right together thereby promote operating parts 6 and push rod 4, push rod 4 move right the then rear end 40 of top silica gel stick, just realized that also silica gel 42 flows out from gum outlet 36.At reciprocating member 8 in the process of left movement, operating parts 6 is owing to lacked reciprocating member 8 applied pressures, under the effect of flexible member 28, make operating parts 6 rotate slightly left, so just removed the interlocking pattern between contact point 20 and the push rod 4, thereby operating parts 6 is turned left fast under the effect of flexible member 28 and is reset to as shown in Figure 1 position.Thus, driving mechanism only drives operating parts 6 and does intermittent movement along the plastic emitting direction, and at aforesaid operations spare 6 in the process of left movement, because the interlocking pattern of push rod 4 and contact point 20 is removed (referring to Fig. 5), again owing to the frictional force between jump ring 64 and the push rod 4, so push rod 4 can not move to left synchronously with operating parts 6.After operating parts 6 returns to as shown in Figure 1 the position, reciprocating member 8 continues said process next time in moving back and forth, this reciprocating motion goes round and begins again, and is step feed motion and push rod 4 is also done, thereby makes silica gel 42 constantly flow out from silica gel stick 30.

Travel switch 52 is positioned at housing 2, and travel switch 52 is connected by the lead (not shown) with motor 14, and the effect of travel switch 52 is to shift certain position onto when push rod 4, when arriving housing right-hand member 48 positions such as push rod 4, because silica gel 42 has squeezed in the silica gel stick 30, push rod 4 can't be again toward right motion, and this moment, travel switch 52 worked, stop the continuation campaign of motor 14, prevent that motor 14 is owing to driving mechanism can not motor 14 stall phenomenons take place toward right motion.Certainly, the stroke of travel switch 52 can also can be arranged to be slightly less than the length of silica gel stick 30 according to the full-length setting of different silica gel sticks 30.

As shown in Figure 6, in second embodiment of the present utility model, silica gel gun is made up of two modules, promptly first module comprise first housing 54 and install with first housing 54 in mechanism's part, second module (part shown in Fig. 6 dotted line) comprises second housing 56 and is installed on mechanism's part in second housing 56.Housing 2 is configured to first housing 54 and second housing 56, mechanism's part of all electronic parts is arranged in second housing 56, these mechanism's parts comprise driving mechanism, motor 14, motor switch 32, transmission mechanism 12, power brick 16 and travel switch 52 etc., and push rod 4, operating parts 6 etc. is arranged in first housing 54, first housing 54 and second housing 56 are by detachable connected mode.First housing 54 has connected manual-operating mechanism, and manual-operating mechanism comprises handle 58 that is wholely set with first housing 54 and the spanner 18 that connects by rotating shaft 60 and handle 58, and spanner end 62 withstands on the operating parts 6.When manual operation spanner 18 and handle 58, spanner 18 can 60 rotate around the shaft, thereby operating parts 6 is driven towards the right side.Like this, when the needs electric operating, above-mentioned second module is coupled on first module, at this moment, 6 mating reactions of reciprocating member 8 operating parts, thus drive the motion that reciprocating member 8 drives push rod 4 by motor 14, realize electronic plastic squeeze; And if power brick 16 there has not been electricity or when need implementing manual operation, second module is disassembled, thereby by manual-operating mechanism and operating parts 6 manual plastic squeezes, and, the weight when having reduced the silica gel gun manual operation.

Herein, the connected mode between first housing 54 and second housing 56 can be plug-in type, also can be sliding track interconnection or car coat type etc., and these dismantle mode easily all in the mechanical field extensive use, so locate no longer to repeat.

Simultaneously, in order to realize to provide selectable plastic emitting speed, removably connecting between first housing 54 and second housing 56 can be provided with a plurality of interface sites, make reciprocating member 8 when different interface sites, withstand on the different parts of operating parts 6, thereby operating parts 6 is when tilting to the angle of as shown in Figure 2 contact point 20 and push rod 4 interlocking patterns, the stroke difference of reciprocating member 8 required promotion operating parts 6, the corresponding stroke size that makes operating parts 6 during diverse location can drive push rod 4 motions is also just different, thereby has realized different plastic emitting speed.

If need be with push rod 4 during toward the needing of left movements in order to change that silica gel stick 30 or other have, the pulling-pushing rod left end 44 of can directly manually turning left, just can realize push rod 4 to left movement.

As shown in Figure 7 and Figure 8, the 3rd embodiment of the present utility model and the first embodiment difference are: drive the driving mechanism that operating parts 6 does intermittent movement along the plastic emitting direction here and comprise, gear 10 and the cam 8a that is connected with gear 10, cam 8a cooperates with operating parts 6.

The course of work of above-mentioned silica gel gun simply is described below, in the time will pushing silica gel stick 30, press switch 32, thereby starter motor 14, motor 14 drive transmission devices 12 begin to take exercises, and 10 rotations of transmission mechanism 12 driven gears, thereby driving cam 8a moves in a circle, and 81a is that cam 8a is apart from pin 22 center proximal end; 82a is that cam 8a is apart from pin 22 center distal end.When cam 8a from end 81a when end 82a moves, operating parts 6 is actuated towards the right side, make operating parts 6 reach position as shown in Figure 8, move right together thereby promote push rod 4, push rod 4 move right the then rear end 40 of top silica gel stick, just realized that also silica gel 42 flows out from gum outlet 36.When cam 8a from end 82a when end 81a moves, operating parts 6 is owing to lacked cam 8a applied pressure, turning left fast under the effect of flexible member 28 resets to the position that shows as Fig. 7.Like this, this reciprocating motion goes round and begins again, and push rod 4 is done step feed motion, thereby makes silica gel 42 flow out endlessly from silica gel stick 30.

As Fig. 9 and shown in Figure 10, the 4th embodiment of the present utility model and the first embodiment difference are: drive the driving mechanism that operating parts 6 does intermittent movement along the plastic emitting direction here and comprise, sector gear 8b, and the tooth bar 81b that meshes with sector gear 8b, and the connected mode of sector gear 8b herein and transmission mechanism is traditional mechanism, so repeat no more.

When the needs plastic emitting, press switch, thereby the motor-driven transmission mechanism drives sector gear 8b along the rotation of A direction, when the 82b of tooth portion of sector gear 8b meshed with tooth bar 81b, tooth bar 81b will move along the B direction.Like this, will drive operating parts 6 and move along the plastic emitting direction, thereby promote push rod 4 together to the motion of B direction, push rod 4 is the rear end of top silica gel stick then, has realized that silica gel flows out from gum outlet; And when the 82b of tooth portion did not mesh with tooth bar 81b, operating parts 6 will be got back to reset mode (as shown in figure 10) under the effect of flexible member 28, and simultaneously operating parts 6 also can drive tooth bar 81b and moves along B ' direction.Like this, this motion goes round and begins again, and push rod 4 is done step feed motion, thereby makes silica gel flow out endlessly from silica gel stick.

Claims

1. silica gel gun, comprise housing (2), connected push rod (4) with housing (2), connected operating parts (6) with push rod (4), be provided with flexible member (28) between housing (2) and operating parts (6), housing (2) has also connected motor (14), and described motor (14) is connected with transmission mechanism (12) at output, it is characterized in that described transmission mechanism (12) connects and drives the driving mechanism that described operating parts (6) is done intermittent movement.

2. silica gel gun as claimed in claim 1 is characterized in that, described motor (14), push rod (4) and transmission mechanism (12) and driving mechanism all are arranged in described housing (2).

3. silica gel gun as claimed in claim 1, it is characterized in that, described housing (2) comprises first housing (54) and second housing (56), described push rod (4) and operating parts (6) are arranged in first housing (54), described motor (14) and transmission mechanism (12) and driving mechanism are arranged in second housing (56), described first housing (54) and dismountable the connecting of second housing (56).

4. silica gel gun as claimed in claim 3 is characterized in that, described second housing (56) has at least two kinds of interface sites with first housing (54), so that driving mechanism can drive the stroke that operating parts (6) produces different sizes.

5. silica gel gun as claimed in claim 1 is characterized in that, described driving mechanism comprises gear (10) that links to each other with described transmission mechanism (12) and the reciprocating member (8) that is connected with gear (10) off-centre, and described reciprocating member (8) cooperates with operating parts (6).

6. silica gel gun as claimed in claim 5, it is characterized in that described reciprocating member (8) is a reciprocating lever, described reciprocating lever is provided with groove (24), go up off-centre at described gear (10) and be provided with pin (22), an end of described pin (22) is arranged in described groove (24).

7. silica gel gun as claimed in claim 1 is characterized in that, described driving mechanism comprises gear (10) that links to each other with described transmission mechanism (12) and the cam (8a) that is connected with gear (10), and described cam (8a) cooperates with operating parts (6).

8. silica gel gun as claimed in claim 1, it is characterized in that, described driving mechanism comprises the gear (10) that links to each other with described transmission mechanism (12), the sector gear (8b) that connects with gear (10) and with the tooth bar (81b) of sector gear (8b) engagement, described tooth bar (81b) cooperates with operating parts (6).

9. silica gel gun as claimed in claim 1 is characterized in that, described operating parts (6) is provided with through hole (26), and described push rod (4) passes between described through hole (26) and described through hole (26) and described push rod (4) suitable surplus.

10. silica gel gun as claimed in claim 1 is characterized in that, also comprises the travel switch (52) that connects with housing (2), and described travel switch (52) electrically connects with described motor (14).