Roller chain protection assembly

Abstract

The utility model discloses a roller chain protection assembly which comprises a protection cover used for shielding and protecting a roller chain body, the roller chain body is composed of a plurality of sets of chain plates, every two adjacent sets of chain plates are rotatably connected through a pin shaft, and the roller chain protection assembly further comprises a lubricating cylinder used for lubricating the roller chain body in the protection process. An installation assembly used for assisting installation of the lubricating cylinder is arranged between the lubricating cylinder and the protective cover, and the lubricating cylinder is located above the roller chain body after being installed on the protective cover. According to the roller chain protection assembly, in the process that the protection cover is used for shielding and protecting the roller chain, the roller chain body can be automatically lubricated while being protected, the probability that the roller chain is rusted and transmission is dry due to insufficient lubrication is reduced, the protection effect on the roller chain is guaranteed, and the service life of the roller chain is prolonged. And according to the lubrication condition of the roller chain, self-lubrication operation is not carried out any more, and waste caused by excessive lubrication on the roller chain body is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of roller chain, concretely to a roller chain protection assembly. BACKGROUND

[0002] In the process of using the roller chain, a protective cover is installed on the outer side of the roller chain to form a protection assembly for shielding and protecting the roller chain. However, the protective cover is arranged in a half-open state for the convenience of maintenance of the roller chain, which causes the roller chain to directly contact with the external air in the process of use, increases the probability of rust and transmission dryness of the roller chain due to insufficient lubrication, and affects the protection effect of the roller chain.

[0003] Therefore, there is an urgent need for a roller chain protection assembly to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a roller chain protection assembly to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a roller chain protection assembly, comprising a protective cover for shielding and protecting a roller chain body, the roller chain body is composed of multiple chain plates, adjacent two groups of chain plates are rotatably connected through a pin shaft, further comprising a lubricating cylinder for lubricating the roller chain body during protection, an installation assembly for assisting the installation of the lubricating cylinder is arranged between the lubricating cylinder and the protective cover, and the lubricating cylinder is installed above the roller chain body after the installation of the protective cover, the inside of the lubricating cylinder is filled with lubricating liquid, and a liquid supply assembly for supplying liquid towards the roller chain body is arranged on the lubricating cylinder.

[0006] The liquid supply assembly comprises a piston tube fixed in communication with the lower end of the lubricating cylinder, an L-shaped liquid outlet pipe is fixed in communication with the piston tube, one end of the L-shaped liquid outlet pipe away from the piston tube is arranged towards the roller chain body, and an extrusion assembly for assisting the extrusion of liquid supply is arranged on the piston tube.

[0007] The extrusion assembly comprises a first one-way valve fixed on the piston tube, a second one-way valve is installed on the L-shaped liquid outlet pipe, a piston plate is slidably connected in the piston tube, and a pushing assembly for pushing and extruding the piston plate is arranged on the piston tube.

[0008] The first one-way valve and the second one-way valve are in communication from the inside of the lubricating cylinder to one end of the L-shaped liquid outlet pipe towards the roller chain body.

[0009] The pushing assembly comprises a push rod slidably connected to the piston tube, one end of the push rod is fixed with the piston plate, a spring is sleeved on the outside of the push rod, and the two ends of the spring are respectively connected with the piston plate and the inner wall of the piston tube.

[0010] The lower end of the push rod is provided with a conical surface for transmission against a pin shaft on the roller chain body.

[0011] The mounting assembly comprises a mounting hole provided on the protective cover, a threaded sleeve fixed on the mounting hole, and the lubricating cylinder is connected to the inner side of the threaded sleeve in a threaded manner.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] In the process of shielding and protecting the roller chain by the protective cover, the roller chain body is automatically lubricated while being protected, the probability of rust and dry transmission of the roller chain due to insufficient lubrication is reduced, the protective effect of the roller chain is ensured, and the independent lubrication operation can be stopped according to the lubrication condition of the roller chain, so that the waste caused by excessive lubrication of the roller chain body is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall appearance structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the state of the lubricating cylinder after being mounted on the protective cover of the utility model;

[0016] Figure 3 It is a schematic diagram of the roller chain structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the liquid supply assembly structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the extrusion assembly and the pushing assembly structure of the utility model.

[0019] In the drawing: 1, roller chain body; 101, chain plate; 102, pin shaft; 2, protective cover; 3, lubricating cylinder; 401, mounting hole; 402, threaded sleeve; 501, piston tube; 502, L-shaped liquid outlet pipe; 601, first one-way valve; 602, second one-way valve; 603, piston plate; 701, push rod; 702, spring; 8, conical surface. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides a kind of roller chain protection assembly, including the protective cover 2 for shielding protection to roller chain body 1, roller chain body 1 is made of multiple chain plates 101, rotatable connection is passed through pin shaft 102 between adjacent two chain plates 101, further include the lubricating cylinder 3 for lubricating roller chain body 1 in the process of protection, lubricating cylinder 3 is provided with the installation assembly for assisting lubricating cylinder 3 installation between protective cover 2, and lubricating cylinder 3 is installed in the upper of roller chain body 1 after protective cover 2, lubricating cylinder 3 is filled with lubricating liquid, and lubricating cylinder 3 is provided with the liquid supply assembly for supplying liquid towards roller chain body 1;

[0022] Here it needs to be explained: in the process of using protective cover 2 to shield and protect roller chain, it can automatically lubricate roller chain body 1 while protecting roller chain body 1, reduce the probability of rust and transmission dryness on roller chain due to insufficient lubrication, ensure the protection effect of roller chain, and also can not carry out independent lubrication operation according to the lubrication condition of roller chain, to avoid waste due to over-lubrication on roller chain body 1.

[0023] The liquid supply assembly includes the piston tube 501 fixed in the lower end of lubricating cylinder 3, the L-shaped liquid outlet pipe 502 is fixed on the piston tube 501, the end of the L-shaped liquid outlet pipe 502 away from the piston tube 501 is arranged towards roller chain body 1, and the piston tube 501 is provided with the extrusion assembly for assisting liquid supply extrusion;The extrusion assembly includes the first one-way valve 601 fixed on the piston tube 501, the second one-way valve 602 is installed on the L-shaped liquid outlet pipe 502, the piston plate 603 is slidably connected in the piston tube 501, and the piston tube 501 is provided with the push assembly for extruding and pushing the piston plate 603;

[0024] Here it needs to be explained: through the push assembly, push rod 701 and piston plate 603 reciprocate on piston tube 501 with the transmission of roller chain body 1, because the conduction direction of the first one-way valve 601 and the second one-way valve 602 is from the inside of the lubricating cylinder 3 to the end of the L-shaped liquid outlet pipe 502 towards roller chain body 1, in the reciprocating process of the piston plate 603, the lubricating liquid in the inside of the lubricating cylinder 3 can be sucked into the inside of the piston tube 501 and sprayed from the end of the L-shaped liquid outlet pipe 502 towards roller chain body 1 through extrusion.

[0025] The conduction direction of the first one-way valve 601 and the second one-way valve 602 is from the inside of the lubricating cylinder 3 to the end of the L-shaped liquid outlet pipe 502 towards roller chain body 1;

[0026] Here it needs to be explained: through the setting of conduction direction, it is convenient to guide the flow of lubricating liquid.

[0027] The pushing assembly comprises a pushing rod 701 slidably connected to the piston tube 501, one end of the pushing rod 701 is fixed to the piston plate 603, the outer side of the pushing rod 701 is sleeved with a spring 702, and the two ends of the spring 702 are respectively connected to the piston plate 603 and the inner wall of the piston tube 501;

[0028] It should be noted that: after the lubricating cylinder 3 is installed and during the transmission of the roller chain body 1, each group of pin shafts 102 on the roller chain body 1 is in turn abutted against the conical surface 8 on the pushing rod 701, and through the abutting transmission of the pin shaft 102 and the conical surface 8 and the resetting effect of the spring 702 on the abutted pushing rod 701, the pushing rod 701 and the piston plate 603 are driven to reciprocate up and down on the piston tube 501 along with the transmission of the roller chain body 1.

[0029] The lower end of the pushing rod 701 is provided with a conical surface 8 for abutting transmission with the pin shaft 102 on the roller chain body 1;

[0030] It should be noted that: through the conical surface 8, the pushing rod 701 and the pin shaft 102 are facilitated to abut and transmit.

[0031] The installation assembly comprises an installation hole 401 provided on the protective cover 2, a threaded sleeve 402 is fixed on the installation hole 401, and the lubricating cylinder 3 is connected to the inner side of the threaded sleeve 402 in a threaded manner;

[0032] It should be noted that: during the installation of the lubricating cylinder 3, the lubricating cylinder 3 is threadedly connected to the inner side of the threaded sleeve 402, the installation of the lubricating cylinder 3 is completed, and during the installation, the lubricating cylinder 3 is rotated, and during the rotation of the lubricating cylinder 3, the use height of the lubricating cylinder 3 is adjusted through the mutual meshing transmission between the lubricating cylinder 3 and the threaded sleeve 402.

[0033] Working principle: during the use of the roller chain, the protective cover 2 is sleeved and installed on the outer side of the roller chain, after the installation is completed, the lubricating cylinder 3 is installed in the inner side of the threaded sleeve 402 in a threaded manner;

[0034] In the process of installing the lubricating cylinder 3, the lubricating cylinder 3 is rotated, and in the process of rotating the lubricating cylinder 3, the whole lubricating cylinder 3 is moved downwards on the threaded sleeve 402 through the engagement transmission between the lubricating cylinder 3 and the inner thread of the threaded sleeve 402, and in the process of moving downwards, the conical surface 8 on the push rod 701 can be in abutment transmission with the pin shaft 102 on the roller chain body 1 in the process of transmission, and after the installation of the lubricating cylinder 3 and in the process of transmission of the roller chain body 1, each group of pin shafts 102 on the roller chain body 1 can be in abutment with the conical surface 8 on the push rod 701 in turn, and through the abutment transmission between the pin shaft 102 and the conical surface 8 and the resetting effect of the spring 702 on the push rod 701 after abutment, the push rod 701 and the piston plate 603 can move up and down on the piston tube 501 in reciprocating motion along with the transmission of the roller chain body 1, and because the conduction directions of the first one-way valve 601 and the second one-way valve 602 are from the inside of the lubricating cylinder 3 to the L-shaped liquid outlet pipe 502 towards one end of the roller chain body 1, in the process of reciprocating motion of the piston plate 603, the lubricating liquid in the inside of the lubricating cylinder 3 can be sucked into the inside of the piston tube 501 and sprayed from one end of the L-shaped liquid outlet pipe 502 towards the roller chain body 1 through extrusion, so that the protective cover 2 can automatically lubricate the roller chain body 1 while protecting the roller chain body 1, the probability of rust and dry transmission of the roller chain due to insufficient lubrication is reduced, and the protection effect on the roller chain is ensured.

[0035] And in the process of using the roller chain, according to the lubrication condition of the roller chain, when lubrication is not needed, the lubricating cylinder 3 is rotated, and in the process of rotating the lubricating cylinder 3, the lubricating cylinder 3 is moved upwards on the threaded sleeve 402 through the engagement transmission between the lubricating cylinder 3 and the threaded sleeve 402, and through the upwards movement of the lubricating cylinder 3, the pin shaft 102 of the roller chain body 1 in the process of transmission cannot abut against the conical surface 8 on the push rod 701, at this time, the automatic lubrication operation is not performed, and the waste due to over-lubrication of the roller chain body 1 is avoided.

[0036] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and range of equivalents of the elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A roller chain protection assembly, comprising: A protective cover (2) is used to shield and protect the roller chain body (1). The roller chain body (1) is composed of multiple sets of chain plates (101). Two adjacent sets of chain plates (101) are rotatably connected by a pin (102). Its characteristic is that it further includes: A lubrication cylinder (3) is used to lubricate the roller chain body (1) during the protection process. An installation component for assisting the installation of the lubrication cylinder (3) is provided between the lubrication cylinder (3) and the protective cover (2). After the lubrication cylinder (3) is installed on the protective cover (2), it is located above the roller chain body (1). The interior of the lubrication cylinder (3) is filled with lubricating liquid. A liquid supply component for supplying liquid to the roller chain body (1) is provided on the lubrication cylinder (3).

2. The roller chain protection assembly according to claim 1, characterized in that: The liquid supply assembly includes a piston tube (501) fixed to the lower end of the lubrication cylinder (3), an L-shaped liquid outlet pipe (502) fixed to the piston tube (501), the end of the L-shaped liquid outlet pipe (502) away from the piston tube (501) facing the roller chain body (1), and a squeezing assembly for assisting liquid supply squeezing is provided on the piston tube (501).

3. A roller chain protection assembly according to claim 2, characterized in that: The extrusion assembly includes a first check valve (601) fixed on the piston tube (501), a second check valve (602) installed on the L-shaped liquid outlet pipe (502), a piston plate (603) slidably connected inside the piston tube (501), and a pushing assembly for extruding and pushing the piston plate (603) on the piston tube (501).

4. A roller chain protection assembly according to claim 3, characterized in that: The first check valve (601) and the second check valve (602) are directed from the inside of the lubrication cylinder (3) to one end of the L-shaped liquid outlet pipe (502) toward the roller chain body (1).

5. A roller chain protection assembly according to claim 3, characterized in that: The pushing assembly includes a push rod (701) slidably connected to the piston tube (501). One end of the push rod (701) is fixed to the piston plate (603). A spring (702) is sleeved on the outside of the push rod (701). The two ends of the spring (702) are respectively connected to the piston plate (603) and the inner wall of the piston tube (501).

6. A roller chain protection assembly according to claim 5, characterized in that: The lower end of the push rod (701) is provided with a tapered surface (8) for abutting against the pin (102) on the roller chain body (1) for transmission.

7. A roller chain protection assembly according to claim 1, characterized in that: The mounting assembly includes a mounting hole (401) on the protective cover (2), a threaded sleeve (402) is fixed on the mounting hole (401), and the lubrication cylinder (3) is connected to the inside of the threaded sleeve (402) by means of threads.

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