CN215033344U

CN215033344U - Transmission chain dismounting device

Info

Publication number: CN215033344U
Application number: CN202120606438.XU
Authority: CN
Inventors: 高建国
Original assignee: Tianjin Tiante Chains Oem Co ltd
Current assignee: Tianjin Tiante Chains Oem Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-12-07
Anticipated expiration: 2031-03-25

Abstract

The utility model discloses a drive chain dismounting device, including base, lead screw, bull stick and commentaries on classics handle, the surface of base is connected with the fixed block, the inside at the fixed block is connected in the bull stick through connection, the internal connection of bull stick has the connecting rod, the inside of connecting rod is provided with the card pearl, the internal connection of connecting rod has the drill bit. The arc draw-in groove identical with card pearl outer wall size is seted up to the inside of this drive chain dismounting device's bull stick, and be threaded connection between connecting rod and the drill bit, and the connecting rod passes through to constitute slip block connection structure between card pearl and drill bit and the bull stick, through rotating the drill bit, inside the arc recess that makes two sets of card pearl roll-off bull sticks inside set up, can remove the block structure between connecting rod and the bull stick, pull the drill bit again, make the inside of connecting rod roll-off bull stick, so that change the drill bit.

Description

Transmission chain dismounting device

Technical Field

The utility model relates to a chain dismounting device technical field specifically is a drive chain dismounting device.

Background

The transmission chain of China appears as early as the second century of the Gongyuan, the turnover created by Toyohan Bilan at that time successfully applies the chain wheel transmission principle, each part of the modern chain type transmission device is made of carbon steel or alloy steel and is subjected to heat treatment to improve the strength, the wear resistance and the impact resistance, and the chain can form a compact whole at the connection part of one machine to improve the key part of the mechanical property. The device is a disassembling tool for chain links, and has the characteristics of compact structure, simplicity, practicability and the like, and is widely applied.

Transmission chain dismounting device in market is various, but present transmission chain dismounting device is not convenient for change the drill bit, leads to can't dismantling the chain of variation in size, need improve existing equipment for this reason, satisfies the market demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drive chain dismounting device to the drive chain dismounting device on the existing market that the above-mentioned background art of solution provided is of a great variety, but present drive chain dismounting device is not convenient for change the drill bit, leads to the unable problem of dismantling to the chain of variation in size.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drive chain dismounting device, includes base, lead screw, bull stick and commentaries on classics handle, the surface connection of base has the fixed block, the bull stick through connection is in the inside of fixed block, the internal connection of bull stick has the connecting rod, the inside of connecting rod is provided with the card pearl, the internal connection of connecting rod has the drill bit.

Preferably, threaded connection is adopted between the rotating rod and the fixing block, the inner wall of the opening end of the rotating rod is tangent to the outer wall of the connecting rod, and an arc-shaped clamping groove matched with the outer wall of the clamping bead in size is formed in the rotating rod.

Preferably, be threaded connection between connecting rod and the drill bit, and the connecting rod constitutes slip block connection structure through blocking between pearl and drill bit and the bull stick.

Preferably, lead screw through connection is in the inside of base, the one end of lead screw is connected with the knob, lead screw through connection is in the inside of connecting block, the top of connecting block is connected with the clamp splice, the screw thread direction of rotation on lead screw surface is opposite, and is threaded connection between connecting block and the lead screw to structure as an organic whole between connecting block and the clamp splice.

Preferably, the rotating handle is connected to one end of the rotating rod, a sliding rod is arranged inside the rotating handle, a clamping spring is arranged inside the sliding rod, rotating balls are connected to two ends of the clamping spring, one end of the sliding rod is connected with a pull ring, an included angle of a joint between the sliding rod and the pull ring is 90 degrees, and the sliding rod forms a sliding clamping connection structure with the rotating balls and the rotating handle through the clamping spring.

Preferably, the rotating balls are symmetrically distributed about a transverse middle parting line of the clamping spring, the rotating balls are matched with arc-shaped grooves formed in the rotating handle, and the rotating balls form an elastic linkage structure with the sliding rod through the clamping spring.

Compared with the prior art, the beneficial effects of the utility model are that: this drive chain dismounting device:

1. the connecting rod and the drill bit of the device are in threaded connection, the connecting rod forms a sliding clamping connection structure between the clamping beads and the drill bit and the rotating rod, the clamping structure between the connecting rod and the rotating rod can be removed inside the arc-shaped groove formed inside the two groups of clamping beads sliding-out rotating rods by rotating the drill bit, and then the drill bit is pulled out, so that the connecting rod slides out of the inside of the rotating rod, and the drill bit is replaced conveniently.

2. The device's the screw thread rotation direction on lead screw surface is opposite, and is threaded connection between connecting block and the lead screw, through rotating the knob, makes the lead screw rotate in the inside of base, can drive two sets of clamp splice and carry out the relative motion to fix the chain when convenient to dismantle.

3. The device's the junction contained angle between slide bar and the pull ring is 90, and the slide bar through the block spring with change the pearl and constitute slip block connection structure between the handle, the pulling pull ring makes the slide bar slide in the inside of changeing the handle, the elasticity through the block spring makes to change the pearl card and go into to change and fix in the arc draw-in groove of seting up inside to adjust the length of slide bar, reach laborsaving purpose during the rotation.

Drawings

Fig. 1 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of the top-view cross-sectional structure of the rotating rod of the present invention.

In the figure: 1. a base; 2. a fixed block; 3. a screw rod; 4. a knob; 5. connecting blocks; 6. a clamping block; 7. a rotating rod; 8. a connecting rod; 9. clamping the beads; 10. a drill bit; 11. turning a handle; 12. a slide bar; 13. a snap spring; 14. rotating the beads; 15. and (4) a pull ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a transmission chain dismounting device comprises a base 1, a fixing block 2, a screw rod 3, a knob 4, a connecting block 5, a clamping block 6, a rotating rod 7, a connecting rod 8, a clamping ball 9, a drill bit 10, a rotating handle 11, a sliding rod 12, a clamping spring 13, a rotating ball 14 and a pull ring 15, wherein the surface of the base 1 is connected with the fixing block 2, the rotating rod 7 is connected in the fixing block 2 in a penetrating way, the rotating rod 7 is in threaded connection with the fixing block 2, the inner wall of the opening end of the rotating rod 7 is tangent to the outer wall of the connecting rod 8, an arc clamping groove matched with the outer wall of the clamping ball 9 in size is formed in the rotating rod 7, the rotating rod 7 is clamped in the clamping ball 9, so that the connecting rod 8 is fixed, the inner part of the rotating rod 7 is connected with the connecting rod 8, the connecting rod 8 is in threaded connection with the drill bit 10, and the connecting rod 8 forms a sliding clamping connection structure with the rotating rod 7 through the clamping ball 9 and the drill bit 10, after the drill bit 10 is rotated, the connecting rod 8 slides out of the rotating rod 7 so as to replace the drill bit 10, a clamping bead 9 is arranged inside the connecting rod 8, and the drill bit 10 is connected inside the connecting rod 8;

the screw rod 3 is connected inside the base 1 in a penetrating manner, one end of the screw rod 3 is connected with the knob 4, the screw rod 3 is connected inside the connecting block 5 in a penetrating manner, the top of the connecting block 5 is connected with the clamping block 6, the rotating directions of threads on the surface of the screw rod 3 are opposite, the connecting block 5 is in threaded connection with the screw rod 3, the connecting block 5 and the clamping block 6 are in an integrated structure, and the two groups of clamping blocks 6 move oppositely by rotating the screw rod 3 so as to clamp and fix the chain when the chain is disassembled;

the rotary handle 11 is connected at one end of the rotary rod 7, a sliding rod 12 is arranged inside the rotary handle 11, a clamping spring 13 is arranged inside the sliding rod 12, rotary beads 14 are connected at two ends of the clamping spring 13, the rotary beads 14 are symmetrically distributed about a transverse middle parting line of the clamping spring 13, the rotary beads 14 are matched with arc-shaped grooves formed in the rotary handle 11, the rotary beads 14 form an elastic linkage structure with the sliding rod 12 through the clamping spring 13, the rotary beads 14 are clamped into the arc-shaped grooves formed in the rotary handle 11 so as to fix the position of the sliding rod 12, one end of the sliding rod 12 is connected with a pull ring 15, a connecting position included angle between the sliding rod 12 and the pull ring 15 is 90 degrees, the sliding rod 12 forms a sliding clamping connection structure with the rotary handle 11 through the clamping spring 13 and the rotary beads 14, and slides out through the sliding rod 12 so as to adjust the length of the sliding rod 12, thereby achieving the effect of saving labor.

The working principle is as follows: when the transmission chain dismounting device is used, firstly, the connecting rod 8 of the device is in threaded connection with the drill bit 10, the connecting rod 8 forms a sliding clamping connection structure with the drill bit 10 and the rotating rod 7 through the clamping balls 9, the two groups of clamping balls 9 slide out of the arc-shaped grooves formed in the rotating rod 7 by rotating the drill bit 10, the clamping structure between the connecting rod 8 and the rotating rod 7 can be removed, then the drill bit 10 is pulled, the connecting rod 8 slides out of the rotating rod 7 so as to be convenient for replacing the drill bit 10, the surface of the screw rod 3 of the device is opposite in threaded rotation direction, the connecting block 5 is in threaded connection with the screw rod 3, the screw rod 3 rotates in the base 1 by rotating the knob 4, the two groups of clamping blocks 6 can be driven to move oppositely, so as to fix a chain when the chain is dismounted, the included angle of the connection part between the sliding rod 12 and the pull ring 15 of the device is 90 degrees, the sliding rod 12 forms a sliding clamping connection structure with the rotating handle 11 through the clamping spring 13 and the rotating ball 14, the pull ring 15 is pulled to enable the sliding rod 12 to slide in the rotating handle 11, the rotating ball 14 is clamped into an arc-shaped clamping groove formed in the rotating handle 11 to be fixed through the elasticity of the clamping spring 13, so that the length of the sliding rod 12 can be adjusted, and the purpose of saving labor during rotation is achieved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a drive chain dismounting device, includes base (1), lead screw (3), bull stick (7) and commentaries on classics handle (11), the surface connection of base (1) has fixed block (2), its characterized in that: the rotary rod (7) is connected inside the fixing block (2) in a penetrating mode, the rotary rod (7) is connected inside the connecting rod (8), the clamping beads (9) are arranged inside the connecting rod (8), and the connecting rod (8) is connected inside the drill bit (10).

2. A drive chain dismounting device according to claim 1, wherein: the rotating rod (7) is in threaded connection with the fixing block (2), the inner wall of the opening end of the rotating rod (7) is tangent to the outer wall of the connecting rod (8), and an arc-shaped clamping groove matched with the clamping bead (9) in size is formed in the rotating rod (7).

3. A drive chain dismounting device according to claim 1, wherein: the connecting rod (8) is in threaded connection with the drill bit (10), and the connecting rod (8) forms a sliding clamping connection structure with the rotating rod (7) through the clamping beads (9) and the drill bit (10).

4. A drive chain dismounting device according to claim 1, wherein: lead screw (3) through connection is in the inside of base (1), the one end of lead screw (3) is connected with knob (4), lead screw (3) through connection is in the inside of connecting block (5), the top of connecting block (5) is connected with clamp splice (6), the screw thread direction of rotation on lead screw (3) surface is opposite, and is threaded connection between connecting block (5) and lead screw (3) to structure as an organic whole between connecting block (5) and clamp splice (6).

5. A drive chain dismounting device according to claim 1, wherein: the utility model discloses a slide bar (11) and rotary rod, change and be connected the one end at bull stick (7) to (11), it is provided with slide bar (12) to change the inside of (11), the inside of slide bar (12) is provided with block spring (13), the both ends of block spring (13) are connected with and change pearl (14), the one end of slide bar (12) is connected with pull ring (15), the junction contained angle between slide bar (12) and pull ring (15) is 90, and slide bar (12) through block spring (13) and change pearl (14) and change and constitute slip block connection structure between (11).

6. The drive chain dismounting device according to claim 5, wherein: the rotating beads (14) are symmetrically distributed about the transverse middle parting line of the clamping spring (13), the rotating beads (14) are matched with arc-shaped grooves formed in the rotating handle (11), and the rotating beads (14) form an elastic linkage structure with the sliding rod (12) through the clamping spring (13).