CN220302447U

CN220302447U - Piston guide ring

Info

Publication number: CN220302447U
Application number: CN202321575785.6U
Authority: CN
Inventors: 刘义昌
Original assignee: Qingdao Clock Sealing Technology Co ltd
Current assignee: Qingdao Clock Sealing Technology Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2024-01-05
Anticipated expiration: 2033-06-20

Abstract

The utility model relates to the technical field of piston guide rings, and discloses a piston guide ring which solves the problem of low connection stability of the existing guide ring and a piston rod, and comprises the piston rod, wherein a connecting mechanism is arranged on the outer side of the piston rod, a locking mechanism is arranged on the connecting mechanism, the connecting mechanism comprises a fixed ring fixed on the outer side of the piston rod, a first guide semicircular ring and a second guide semicircular ring are symmetrically arranged on the outer side of the fixed ring, a first side groove is formed in the outer side of the first guide semicircular ring, and a second side groove is formed in the outer side of the second guide semicircular ring; according to the utility model, the inner block II, the inner block I and the movable rod are matched with the spring, so that the guide semicircular ring I and the guide semicircular ring II are convenient to approach each other and clamp the fixed ring, the guide semicircular ring I and the guide semicircular ring II are jointed to form the whole guide ring, and meanwhile, the two positioning posts are respectively positioned in the two positioning holes, so that the connection stability of the whole guide ring and the piston rod is improved.

Description

Piston guide ring

Technical Field

The utility model belongs to the technical field of piston guide rings, and particularly relates to a piston guide ring.

Background

The guide ring is mainly used for guiding the piston and the piston ring in the hydraulic cylinder and the air cylinder, plays a role in supporting and guiding, is also called a supporting ring, is a part used on the piston or the piston rod of the hydraulic cylinder or the air cylinder and used for supporting the movement of the piston or the piston rod, can prevent the piston or the piston rod from directly contacting and rubbing with the cylinder body in the movement process, and plays a role in protecting the cylinder body and the piston or the piston rod from being damaged; according to the authorized bulletin number: CN215830868U, entitled "a shaftless piston guide ring", improves connection stability of the guide ring and the piston body by providing a first clamping ring, a second clamping ring, a first clamping groove and a second clamping groove, and effectively improves connection tightness of the first clamping ring and the first clamping groove and the second clamping ring and the second clamping groove by clamping of the bevel and the chute; the following drawbacks still remain:

it is connected guide ring and piston rod only through the mode of joint, and this mode leads to guide ring and piston rod connection stability low to easily cause the dropping of guide ring.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the piston guide ring, which effectively solves the problem of low connection stability between the prior guide ring and the piston rod.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the piston guide ring comprises a piston rod, wherein a connecting mechanism is arranged on the outer side of the piston rod, and a locking mechanism is arranged on the connecting mechanism;

the connecting mechanism comprises a fixed ring fixed on the outer side of a piston rod, a first guide semicircular ring and a second guide semicircular ring are symmetrically arranged on the outer side of the fixed ring, a first side groove is formed in the outer side of the first guide semicircular ring, a second side groove is formed in the outer side of the second guide semicircular ring and is communicated with the first side groove, an inner block second is fixedly arranged in the second side groove, an inner block first is fixedly arranged in the first side groove, a movable rod is fixedly arranged on one side, close to the inner block first, of the inner block second, a limiting block is fixedly arranged at one end, far away from the inner block second, of the movable rod, a limiting block is fixedly arranged through the inner block, the movable rod is movably connected with the inner block first, a spring is fixedly connected between the limiting block and the inner block first, the outer side of the movable rod is movably sleeved on the spring, and the limiting block and the spring are located in the first side groove.

Preferably, the inner sides of the first guide semicircular ring and the second guide semicircular ring are fixedly provided with positioning columns, the outer sides of the fixing rings are symmetrically provided with two positioning holes, and the two positioning columns are respectively positioned in the two positioning holes.

Preferably, the tops of the first guide semicircular ring and the second guide semicircular ring are respectively provided with a connecting groove, the two connecting grooves are communicated, the inner bottom walls of the two connecting grooves are symmetrically provided with T-shaped grooves and through holes, the two T-shaped grooves form an industrial groove, and the two T-shaped grooves are arranged between the two through holes.

Preferably, the locking mechanism comprises a mounting block positioned in the two connecting grooves, an I-shaped block is fixedly arranged at the bottom of the mounting block, and the I-shaped block is positioned in the two T-shaped grooves.

Preferably, the bottom symmetry fixed mounting of installation piece has two nuts, and the I-shaped piece is located between two nuts, and two through-holes are passed respectively to the bottom of two nuts, and the bottom of direction semicircle ring one and direction semicircle ring two all is equipped with the screw rod, and two screw rods are threaded respectively in the outside of two nuts.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the inner block II, the inner block I and the movable rod are matched with the spring, so that the guide semicircular ring I and the guide semicircular ring II are convenient to approach each other and clamp the fixed ring, the guide semicircular ring I and the guide semicircular ring II are jointed to form the whole guide ring, and meanwhile, the two positioning posts are respectively positioned in the two positioning holes, so that the connection stability of the whole guide ring and the piston rod is improved;

this is novel through the cooperation between installation piece and spread groove and I type piece and the T type groove, can be connected first with direction semicircle ring and direction semicircle ring to through the cooperation between nut and through-hole and the screw rod, make first with direction semicircle ring two firm connection, thereby be convenient for direction semicircle ring one and direction semicircle ring two firm installation on the piston rod.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of a piston guide ring structure according to the present utility model;

FIG. 2 is a schematic view of the structure of the connecting mechanism of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic view showing the disassembly structure of the first guide semicircular ring and the second guide semicircular ring and the fixing ring;

FIG. 5 is a schematic diagram of the connection structure of the first guiding semicircular ring and the second guiding semicircular ring according to the present utility model;

fig. 6 is a schematic structural view of the locking mechanism of the present utility model.

In the figure: 1. a piston rod; 2. a connecting mechanism; 201. a fixing ring; 202. guiding the semicircular ring I; 203. guiding a second semicircular ring; 204. a connecting groove; 205. a T-shaped groove; 206. a through hole; 207. positioning holes; 208. positioning columns; 209. a side groove I; 2010. a limiting block; 2011. a spring; 2012. an inner block I; 2013. a movable rod; 2014. an inner block II; 2015. a second side groove; 3. a locking mechanism; 301. a mounting block; 302. an I-shaped block; 303. a nut; 304. and (3) a screw.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the first embodiment, as shown in fig. 1, the utility model comprises a piston rod 1, a connecting mechanism 2 is arranged on the outer side of the piston rod 1, and a locking mechanism 3 is arranged on the connecting mechanism 2;

in the use state, the whole guide ring can be firmly connected with the piston rod 1 through the connecting mechanism 2 and the locking mechanism 3.

Specifically, as shown in fig. 2-5, the connecting mechanism 2 includes a fixed ring 201 fixed on the outer side of the piston rod 1, a first guide semicircular ring 202 and a second guide semicircular ring 203 are symmetrically arranged on the outer side of the fixed ring 201, a first side groove 209 is arranged on the outer side of the first guide semicircular ring 202, a second side groove 2015 is arranged on the outer side of the second guide semicircular ring 203, the second side groove 2015 is communicated with the first side groove 209, an inner block 2014 is fixedly arranged in the second side groove 2015, an inner block 2012 is fixedly arranged in the first side groove 209, a movable rod 2013 is fixedly arranged on one side, close to the inner block 2012, of the second inner block 2014, one end, far away from the inner block 2014, of the movable rod 2013 penetrates through the first inner block 2012 and is fixedly provided with a limiting block 2010, the movable rod 2013 is movably connected with the first inner block 2012, a spring 2011 is fixedly connected between the limiting block 2010 and the first inner block 2012, the spring 2011 is movably sleeved on the outer side of the movable rod 2013, the limiting block 2010 and the spring 2011 are both positioned in the first side groove 209, a movable rod 2014 is fixedly provided with an inner block 2012, a movable rod 2013 is fixedly arranged in the inner side of the first side groove, a movable rod 2013 is fixedly arranged on the inner side of the side, one side of the movable rod, a movable rod 2013 is provided with a movable rod, a movable rod 2013 is positioned on the inner ring, one 2012, one side is respectively, a movable ring 201is positioned on the movable ring, and two positioning posts 201 are respectively fixedly provided with two positioning posts 201 are respectively, and two positioning posts 201 are fixedly positioned on the outer sides, respectively, and two positioning posts 201 respectively;

in the use state, first pulling direction semicircle ring 202 and direction semicircle ring two 203 for direction semicircle ring 202 and direction semicircle ring two 203 keep away from each other, movable rod 2013 and interior piece 2012 move each other simultaneously, and spring 2011 compresses, then with direction semicircle ring 202 and direction semicircle ring two 203 all cover in the outside of solid fixed ring 201, make two locating holes 207 and two reference columns 208 all be located same height, when releasing the spacing to direction semicircle ring 202 and direction semicircle ring two 203, at this moment spring 2011 resets and makes direction semicircle ring 202 and direction semicircle ring two 203 be close to each other, until direction semicircle ring 202 and direction semicircle ring two 203 carry out the centre gripping to solid fixed ring 201, two reference columns 208 are located the inside of two locating holes 207 respectively, and fix direction semicircle ring 202 and direction semicircle ring two 203 in the outside of piston rod 1, and direction semicircle ring 202 and direction semicircle ring two 203 form whole direction ring, finally accomplish the installation of direction ring.

Specifically, as shown in fig. 6, the tops of the first guide semicircular ring 202 and the second guide semicircular ring 203 are respectively provided with a connecting groove 204, the two connecting grooves 204 are communicated, the inner bottom walls of the two connecting grooves 204 are respectively symmetrically provided with a T-shaped groove 205 and a through hole 206, the two T-shaped grooves 205 form an i-shaped groove, the two T-shaped grooves 205 are respectively arranged between the two through holes 206, the locking mechanism 3 comprises a mounting block 301 positioned in the two connecting grooves 204, the bottom of the mounting block 301 is fixedly provided with an i-shaped block 302, the i-shaped block 302 is positioned in the two T-shaped grooves 205, the bottom of the mounting block 301 is symmetrically and fixedly provided with two nuts 303, the i-shaped block 302 is positioned between the two nuts 303, the bottom ends of the two nuts 303 respectively penetrate through the two through holes 206, the bottoms of the first guide semicircular ring 202 and the second guide semicircular ring 203 are respectively provided with a screw 304, and the two screws 304 are respectively in threaded sleeve joint with the outer sides of the two nuts 303;

in the use state, after the first guide semicircular ring 202 and the second guide semicircular ring 203 are mounted on the outer side of the fixed ring 201, the mounting block 301 is firstly placed on the connecting groove 204, meanwhile, the I-shaped block 302 is located in the two T-shaped grooves 205, the first guide semicircular ring 202 and the second guide semicircular ring 203 are connected, meanwhile, the bottom ends of the two nuts 303 respectively penetrate through the two through holes 206, the two threaded rods 304 are respectively sleeved on the two nuts 303 and rotate clockwise until the two threaded rods 304 are respectively located at the bottoms of the first guide semicircular ring 202 and the second guide semicircular ring 203, at this time, the mounting block 301 is fixed in the connecting groove 204, and finally, firm mounting of the first guide semicircular ring 202 and the second guide semicircular ring 203 is completed.

Claims

1. Piston guide ring, comprising a piston rod (1), characterized in that: the outer side of the piston rod (1) is provided with a connecting mechanism (2), and the connecting mechanism (2) is provided with a locking mechanism (3);

coupling mechanism (2) including being fixed in solid fixed ring (201) in piston rod (1) outside, gu the outside symmetry of solid fixed ring (201) is equipped with direction semicircle ring one (202) and direction semicircle ring two (203), the outside of direction semicircle ring one (202) is equipped with side groove one (209), the outside of direction semicircle ring two (203) is equipped with side groove two (2015), side groove two (2015) and side groove one (209) intercommunication, the inside fixed mounting of side groove two (2015) has interior piece two (2014), the inside fixed mounting of side groove one (209) has interior piece one (2012), one side fixed mounting that interior piece two (2014) is close to interior piece one (2012) has movable rod (2013), one end that interior piece two (2014) were kept away from to movable rod (2013) runs through interior piece one (2012) and fixed mounting stopper (2010), and movable rod (2013) and interior piece one (2012) swing joint, fixedly connected with spring (2011) between stopper (2010) and the interior piece one (2012), the inside fixed mounting has interior piece one (2012), spring (2011) and outside that interior piece two (2011) are located movable rod (2013) and spring (2011) are located in the inside groove (209).

2. A piston guide ring as claimed in claim 1, wherein: positioning columns (208) are fixedly mounted on the inner sides of the first guide semicircular ring (202) and the second guide semicircular ring (203), two positioning holes (207) are symmetrically formed in the outer side of the fixed ring (201), and the two positioning columns (208) are respectively located in the two positioning holes (207).

3. A piston guide ring as claimed in claim 1, wherein: the top of direction semicircle ring one (202) and direction semicircle ring two (203) all is equipped with spread groove (204), and two spread grooves (204) intercommunication, the inside diapire of two spread grooves (204) all symmetry is equipped with T type groove (205) and through-hole (206), and two T type grooves (205) form the type groove, and two T type grooves (205) all set up between two through-holes (206).

4. A piston guide ring as claimed in claim 3, wherein: the locking mechanism (3) comprises mounting blocks (301) positioned in the two connecting grooves (204), I-shaped blocks (302) are fixedly mounted at the bottoms of the mounting blocks (301), and the I-shaped blocks (302) are positioned in the two T-shaped grooves (205).

5. A piston guide ring as defined in claim 4, wherein: two nuts (303) are symmetrically and fixedly arranged at the bottom of the mounting block (301), the I-shaped block (302) is located between the two nuts (303), the bottoms of the two nuts (303) respectively penetrate through the two through holes (206), screw rods (304) are respectively arranged at the bottoms of the first guide semicircular ring (202) and the second guide semicircular ring (203), and the two screw rods (304) are respectively in threaded sleeve connection with the outer sides of the two nuts (303).