Device for automatically locking or loosening jig cover plate

Abstract

The utility model belongs to the technical field of locks, and particularly relates to an automatic locking or loosening jig cover plate device which comprises a jig body and a cover plate body, the cover plate body is movably connected to the jig body, a mounting groove is formed in an inner cavity of the cover plate body, a driving gear is rotationally arranged in the middle of an inner cavity of the mounting groove, and the cover plate body is movably connected to the mounting groove. Driving rods are movably arranged at the top and the bottom of the driving gear, bolts are integrally formed at one ends of the driving rods and extend out of a cavity of the cover plate body, tooth grooves are formed in the surfaces of the other ends of the driving rods, the ends of the driving rods are in transmission connection with the driving gear through the tooth grooves, and a transmission rod is fixedly connected to the side wall of the driving gear. A stress application rod is welded to the end of the transmission rod, and the cross section of the stress application rod and the cross section of the transmission rod are of a right-angle structure. The locking structure can be driven through the force applying rod by moving the balance weight ring, automatic locking and opening of the cover plate are achieved in the using process, and using is more convenient and faster.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lock technology field, concretely is a kind of automatic locking or loosening jig cover plate device. BACKGROUND

[0002] Jig is a woodworking, blacksmith, bench worker, machinery, electric control and other some handicrafts major tool, mainly as a kind of tool to assist control position or action (or both). Jig can be divided into process assembly class jig, project test class jig and circuit board test class jig three categories.

[0003] The cover plate of the existing mechanical jig top needs to be locked by a plurality of bolts matched when closing, so that the plurality of bolts need to be tightened and disassembled when opening and closing the cover plate, which is very inconvenient to use. To solve the above problems, an automatic locking or loosening jig cover plate device is proposed in the present application. UTILITY MODEL CONTENT

[0004] (I) Utility model purpose

[0005] To solve the technical problems in the background art, the utility model provides an automatic locking or loosening jig cover plate device, which drives the locking structure through the force rod by moving the counterweight ring, and automatically locks and opens the cover plate during use, making it more convenient to use and solving the problems raised in the background art.

[0006] (II) Technical scheme

[0007] To solve the above technical problems, the utility model provides an automatic locking or loosening jig cover plate device, which includes a jig body and a cover plate body, the cover plate body is movably connected to the jig body, an installation slot is formed in the inner cavity of the cover plate body, a drive gear is rotatably arranged in the middle of the inner cavity of the installation slot, drive rods are movably arranged at the top and bottom of the drive gear, latches are integrally formed at one end of the drive rods, the latches extend out of the cavity of the cover plate body, tooth grooves are formed on the surface of the other end of the drive rods, and the drive rods are connected to the drive gear through the tooth grooves.

[0008] A transmission rod is fixedly connected to the side wall of the drive gear, a force rod is welded to the end of the transmission rod, the cross section of the force rod and the transmission rod is at right angles, and a counterweight ring is slidably arranged on the surface of the force rod.

[0009] Preferably, a plug hole is formed in the jig body inner wall corresponding to the position of the latch, and the latch is inserted into the plug hole after extending out of the installation slot.

[0010] Preferably, the surface of the latch and the inner wall of the plug hole are both inclined surfaces, and the two sets of inclined surfaces abut together after the latch is inserted into the plug hole.

[0011] Preferably, the force bar is composed of a cross bar and an inclined bar, and the cross bar end is connected with the force bar.

[0012] Preferably, the counterweight ring end is integrally formed with a locking seat, and a locking screw rod is threadedly connected on the locking seat.

[0013] Preferably, the force bar end is integrally formed with a fixing disc, one side of the fixing disc is provided with a torsion spring, one end of the torsion spring is connected with the fixing disc, and the other end of the torsion spring is connected with the surface of the cover body side wall.

[0014] Preferably, the surface of the jig body is provided with a rubber ring, and the cover body is abutted on the rubber ring after being closed.

[0015] The above technical scheme of the utility model has the following beneficial technical effects:

[0016] 1. After the cover body is closed, the counterweight ring is pushed, the counterweight ring is moved from the cross bar of the force bar to the inclined bar, the counterweight ring counterbalances the end of the force bar, the end of the force bar can move downward, the force bar can drive the driving gear to rotate through the transmission rod, the driving gear is matched with the tooth groove, the bolt can be pushed out through the driving rod, the bolt is inserted into the insertion hole, the cover body is quickly locked, the counterweight ring always exerts downward pressure on the force bar, the locking stability of the cover body is improved, the counterweight ring is moved to the cross bar, the torsion of the torsion spring on the transmission rod is greater than the downward pressure exerted by the force bar, the transmission rod is driven through the torsion spring, the driving rod is driven by the driving gear, the bolt and the insertion hole are quickly separated, the cover body is automatically opened, and the utility model is more convenient to use.

[0017] 2. The surface of the bolt and the inner wall of the insertion hole are both inclined surface structures, when the bolt and the insertion hole are inserted together, downward pressure is exerted on the cover body through the inclined surface, the cover body is tightly pressed on the rubber ring, and the sealing effect of the cover body on the jig body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model automatic locking or loosening jig cover plate device.

[0019] Figure 2 It is a cross section structure schematic view of the utility model automatic locking or loosening jig cover plate device.

[0020] Figure 3 It is a cover body opening structure schematic view of the utility model automatic locking or loosening jig cover plate device.

[0021] Figure 4The utility model discloses a kind of automatic locking or releasing jig cover plate device's cover plate body drive structure schematic diagram.

[0022] Reference signs:

[0023] 1, jig body;2, cover plate body;3, mounting groove;4, drive gear;5, drive rod;6, gear slot;7, latch;8, insertion hole;9, transmission rod;10, force rod;11, crossbar;12, inclined rod;13, counterweight ring;14, locking seat;15, torsional spring;16, rubber ring. DETAILED DESCRIPTION

[0024] To make the purpose, technical scheme and advantage of the utility model more clear and obvious, below combining with specific embodiment and referring to drawing, the utility model is further detailed. It should be understood that these descriptions are only exemplary, and not to limit the scope of the utility model. In addition, in the following description, the description of well-known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0025] As Figures 1-4 Indicated, the utility model provides a kind of automatic locking or releasing jig cover plate device, including jig body 1 and cover plate body 2, the cover plate body 2 is movably connected on jig body 1, the installation groove 3 is opened in the inner cavity of the cover plate body 2, the drive gear 4 is rotatably arranged in the inner cavity middle part of the installation groove 3, the drive gear 4 top and bottom are movably equipped with drive rod 5, the drive rod 5 one end is integrally formed with latch 7, the latch 7 extends out the cavity of cover plate body 2, the drive rod 5 other end surface is all equipped with gear slot 6, and the drive rod 5 end is connected with drive gear 4 by gear slot 6 and drive;

[0026] The drive gear 4 side wall is fixedly connected with transmission rod 9, the transmission rod 9 end is welded with force rod 10, the force rod 10 and transmission rod 9 cross section are right angle structure, the force rod 10 surface is slidably equipped with counterweight ring 13, the force rod 10 is composed of crossbar 11 and inclined rod 12, and the crossbar 11 end is connected with force rod 10.

[0027] Need to explain, after the cover plate body 2 closes, push the counterweight ring 13, make the counterweight ring 13 by the crossbar 11 of force bar 10 moves to the inclined bar 12, the counterweight ring 13 is counterweighted to the end of force bar 10, can make the end of force bar 10 move downward force bar 10 can drive driving gear 4 through transmission rod 9 rotation, driving gear 4 and tooth groove 6 are matched, can respectively through driving rod 5 push out the latch 7, and make the latch 7 insert into the insertion hole 8, realize the quick locking of cover plate body 2, move the counterweight ring 13 to the crossbar 11, the torsional force of torsion spring 15 to transmission rod 9 is greater than the downward pressure of force bar 10, can drive transmission rod 9 through torsion spring 15, driving gear 4 drives driving rod 5, can make the latch 7 and insertion hole 8 quickly separate, realize the automatic opening of cover plate body 2, use more convenient.

[0028] In the embodiment, as shown in Figure 3 The insertion hole 8 is formed in the inner wall of the jig body 1 corresponding to the position of the latch 7, the latch 7 is inserted into the insertion hole 8 after extending out of the installation slot 3, the surface of the latch 7 and the inner wall of the insertion hole 8 are both inclined surface structures, and the two sets of inclined surface structures are abutted together after the latch 7 and the insertion hole 8 are inserted together, the rubber ring 16 is formed on the surface of the jig body 1, and the cover plate body 2 is abutted on the rubber ring 16 after being closed.

[0029] Need to explain, the surface of the latch 7 and the inner wall of the insertion hole 8 are both inclined surface structures, when the latch 7 and the insertion hole 8 are inserted together, the downward pressure can be applied to the cover plate body 2 through the inclined surface, and the cover plate body 2 is tightly pressed on the rubber ring 16, which can improve the sealing effect of the cover plate body 2 on the jig body 1.

[0030] In the embodiment, as shown in Figure 4 The locking seat 14 is integrally formed at one end of the counterweight ring 13, and the locking screw rod is threadedly connected to the locking seat 14.

[0031] Need to explain, the locking screw rod and the locking seat 14 can be matched to lock the counterweight ring 13.

[0032] In the embodiment, as shown in Figure 3 The fixed disc is integrally formed at one end of the force bar 10, one side of the fixed disc is provided with the torsion spring 15, one end of the torsion spring 15 is connected with the fixed disc, and the other end of the torsion spring 15 is connected with the surface of the side wall of the cover plate body 2.

[0033] Need to explain, the two ends of the torsion spring 15 are respectively connected with the fixed disc and the side wall of the cover plate body 2, and the torsional force can be applied to the transmission rod 9 through the torsion spring 15.

[0034] The working principle and use process of the utility model: after the cover plate body 2 is closed, the counterweight ring 13 is pushed, the counterweight ring 13 is moved to the inclined rod 12 by the cross bar 11 of the force adding rod 10, the counterweight ring 13 counterweights the end of the force adding rod 10, the force adding rod 10 can be driven to rotate by the transmission rod 9, the driving gear 4 is matched with the tooth groove 6, the bolt 7 can be pushed out by the driving rod 5 respectively, and the bolt 7 is inserted into the insertion hole 8, the quick locking of the cover plate body 2 is realized, the counterweight ring 13 is moved to the cross bar 11, the torsional force of the torsion spring 15 to the transmission rod 9 is greater than the downward pressure of the force adding rod 10, the transmission rod 9 can be driven by the torsion spring 15, the driving rod 5 is driven by the driving gear 4, the bolt 7 and the insertion hole 8 can be quickly separated, the automatic opening of the cover plate body 2 is realized, the use is more convenient, the surface of the bolt 7 and the inner wall of the insertion hole 8 are all inclined surface structures, when the bolt 7 and the insertion hole 8 are inserted together, the downward pressure can be applied to the cover plate body 2 by the inclined surface, and the cover plate body 2 is tightly pressed on the rubber ring 16, the sealing effect of the cover plate body 2 to the jig body 1 can be improved.

[0035] It should be understood that the above specific embodiments of the utility model are only used for example or explanation of the principle of the utility model, and do not constitute the limitation of the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without deviating from the spirit and scope of the utility model should be included in the protection scope of the utility model. In addition, the appended claims of the utility model are intended to cover all changes and modifications falling within the scope and boundary of the appended claims or the equivalent form of such scope and boundary.

Claims

1. An automatic locking or releasing jig cover plate device, comprising a jig body (1) and a cover plate body (2), the cover plate body (2) being movably connected to the jig body (1), characterized in that, The cover plate body (2) is provided with an installation groove (3) in the cavity, a driving gear (4) is rotatably arranged in the middle of the cavity of the installation groove (3), driving rods (5) are movably arranged on the top and bottom of the driving gear (4), latches (7) are integrally formed on one end of the driving rods (5), the latches (7) extend out of the cavity of the cover plate body (2), tooth grooves (6) are formed on the surfaces of the other ends of the driving rods (5), and the driving rods (5) are connected with the driving gear (4) in transmission through the tooth grooves (6). The driving gear (4) is fixedly connected with a transmission rod (9), the transmission rod (9) is welded with a force adding rod (10), the force adding rod (10) is perpendicular to the transmission rod (9), and a counterweight ring (13) is slidably arranged on the surface of the force adding rod (10).

2. The automatic locking or releasing jig cover device according to claim 1, wherein The jig body (1) is provided with a bushing (8) corresponding to the position of the latch (7), and the latch (7) is inserted into the bushing (8) after extending out of the installation groove (3).

3. The automatic locking or releasing jig cover device according to claim 2, wherein The surface of the latch (7) and the inner wall of the bushing (8) are both inclined surfaces, and the two inclined surfaces are abutted together after the latch (7) is inserted into the bushing (8).

4. The automatic locking or releasing jig cover device according to claim 3, wherein The force adding rod (10) is composed of a horizontal rod (11) and an inclined rod (12), and the horizontal rod (11) is connected with the force adding rod (10).

5. The automatic locking or releasing jig cover device according to claim 4, wherein The counterweight ring (13) is integrally formed with a locking seat (14) at one end, and a locking screw rod is threadedly connected to the locking seat (14).

6. The automatic locking or releasing jig cover device according to claim 5, wherein The force adding rod (10) is integrally formed with a fixing disc at one end, one side of the fixing disc is provided with a torsion spring (15), one end of the torsion spring (15) is connected with the fixing disc, and the other end of the torsion spring (15) is connected with the surface of the side wall of the cover plate body (2).

7. The automatic locking or releasing jig cover device according to claim 6, wherein The surface of the jig body (1) is provided with a rubber ring (16), and the cover plate body (2) is abutted on the rubber ring (16) after being closed.

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