Progressive distributor indicating rod sealing sleeve

Abstract

The utility model discloses a progressive distributor indicating rod sealing sleeve, and belongs to the technical field of lubricating devices. The device comprises a distributor body, a plunger cavity is formed in the distributor body, a plunger rod capable of axially moving is installed in the plunger cavity, an oil inlet hole and an oil outlet hole are formed in the distributor body, the plunger cavity is communicated with the oil inlet hole and the oil outlet hole respectively, an indicating rod is installed on the plunger rod, and the indicating rod is communicated with the plunger rod. An adapter is installed on the distributor body, a sealing sleeve is installed on the outer side of the adapter, and the indicating rod penetrates through the adapter and then extends into the sealing sleeve. According to the progressive distributor indicating rod sealing sleeve, by designing the sealing sleeve structure, flying dust can be effectively prevented from entering, oil liquid can be effectively prevented from leaking to the outside during high-frequency operation of the indicating rod, and the phenomena that the indicating rod is clamped by the flying dust and oil leaks are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of lubricating devices, and particularly relates to a progressive distributor indicating rod sealing sleeve. Background Art

[0002] At present, the indicating rods of progressive distributors on the market are all exposed outside. When the flying dust in the environment is large or the operating frequency is too high, the indicating rods will get stuck and oil will leak, and the equipment will alarm and stop running and cannot be used, resulting in losses. Content of the Utility Model

[0003] The purpose of the utility model is to provide an efficient progressive distributor indicating rod sealing sleeve, which solves the problems of the indicating rod being stuck by flying dust and oil leakage.

[0004] To solve the above technical problems, the utility model provides a progressive distributor indicating rod sealing sleeve, which includes a distributor body. A plunger cavity is arranged in the distributor body, and a plunger rod that can move axially is installed in the plunger cavity. An oil inlet hole and an oil outlet hole are arranged on the distributor body, and the plunger cavity is respectively communicated with the oil inlet hole and the oil outlet hole. An indicating rod is installed on the plunger rod. A union joint is installed on the distributor body, and a sealing sleeve is installed on the outer side of the union joint. The indicating rod passes through the union joint and then extends into the sealing sleeve.

[0005] Preferably, a union joint channel is opened on the union joint;

[0006] The indicating rod passes through the union joint channel.

[0007] Preferably, a rubber ring is arranged between the indicating rod and the union joint.

[0008] Preferably, a first annular groove is opened at one end of the union joint channel close to the plunger rod, and the rubber ring is installed in the first annular groove.

[0009] Preferably, a second annular groove is opened at one end of the union joint channel far from the plunger rod, and the sealing sleeve is screwed into and fixed in the second annular groove.

[0010] Preferably, a sealing cavity is arranged on the sealing sleeve;

[0011] The sealing cavity is communicated with the union joint channel;

[0012] One end of the indicating rod passes through the union joint channel and then extends into the sealing cavity.

[0013] Preferably, a plunger groove is opened at one end of the plunger rod;

[0014] One end of the indicating rod is inserted into the plunger groove and fixed.

[0015] Preferably, a detection device for detecting the operation of the indicating rod is installed outside the dispenser body.

[0016] Preferably, the detection device is located on the side of the sealing sleeve.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] The indicating rod sealing sleeve of the progressive dispenser of the present utility model can effectively prevent dust from entering and prevent the oil from leaking outside when the indicating rod runs at high frequency by designing the sealing sleeve structure, effectively solving the problems of the indicating rod being stuck by dust and oil leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following further describes in detail the specific embodiments of the present utility model with reference to the drawings.

[0020] Figure 1 FIG. is a schematic structural diagram of an indicating rod sealing sleeve of a progressive dispenser of the present utility model;

[0021] Figure 2 FIG. is a schematic structural diagram of the adapter fitting and the indicating rod used in cooperation;

[0022] In the figure:

[0023] 1 - plunger rod; 11 - plunger groove; 2 - indicating rod; 3 - rubber ring; 4 - adapter fitting; 41 - adapter fitting channel; 42 - first annular groove; 43 - second annular groove; 5 - sealing sleeve; 51 - sealing cavity; 6 - detection device; 7 - dispenser body; 71 - plunger cavity; 72 - oil inlet hole; 73 - oil outlet hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Many specific details are set forth in the following description in order to provide a thorough understanding of the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0025] The terms used in one or more embodiments of this specification are for the purpose of describing particular embodiments only and are not intended to limit one or more embodiments of this specification. The singular forms "a", "the", and "said" used in one or more embodiments of this specification and the appended claims are also intended to include the plural forms, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" used in one or more embodiments of this specification refers to and includes any or all possible combinations of one or more of the associated listed items.

[0026] It should be understood that although the terms first, second, etc. may be used in one or more embodiments of this specification to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of one or more embodiments of this specification, the first may also be referred to as the second, and similarly, the second may also be referred to as the first. Depending on the context, the word "if" as used herein may be interpreted as "when" or "while" or "in response to determining".

[0027] The following further describes the present utility model in detail with reference to the accompanying drawings:

[0028] The present utility model provides a progressive distributor indicating rod seal sleeve, including a distributor body 7. A plunger cavity 71 is provided in the distributor body 7. A plunger rod 1 that can move axially is installed in the plunger cavity 71. An oil inlet hole 72 and an oil outlet hole 73 are provided on the distributor body 7. The plunger cavity 71 is respectively communicated with the oil inlet hole 72 and the oil outlet hole 73. An indicating rod 2 is installed on the plunger rod 1. A swivel joint 4 is installed on the distributor body 71. A seal sleeve 5 is installed outside the swivel joint 4. The indicating rod 2 passes through the swivel joint 4 and extends into the seal sleeve 5.

[0029] Preferably, a swivel joint channel 41 is provided on the swivel joint 4;

[0030] The indicating rod 2 passes through the swivel joint channel 41.

[0031] Preferably, a rubber ring 3 is provided between the indicating rod 2 and the swivel joint 4.

[0032] Preferably, the swivel joint 4 is provided with a first annular groove 42 at one end of the swivel joint channel 41 close to the plunger rod 1. The rubber ring 3 is installed in the first annular groove 42.

[0033] Preferably, the swivel joint 4 is provided with a second annular groove 43 at one end of the swivel joint channel 41 far from the plunger rod 1. The seal sleeve 5 is screwed into and fixed in the second annular groove 43.

[0034] Preferably, a sealing cavity 51 is provided on the seal sleeve 5;

[0035] The sealing cavity 51 is communicated with the swivel joint channel 41;

[0036] One end of the indicating rod 2 passes through the swivel joint channel 41 and extends into the sealing cavity 51.

[0037] Preferably, a plunger groove 11 is provided at one end of the plunger rod 1;

[0038] One end of the indicating rod 2 is inserted into the plunger groove 11 and fixed.

[0039] Preferably, a detection device 6 for detecting the operation of the indicating rod 2 is installed outside the dispenser body 7.

[0040] Preferably, the detection device 6 is located on the side of the sealing sleeve 5.

[0041] To better illustrate the technical effects of the present invention, the following specific embodiments are provided to illustrate the above technical process:

[0042] Embodiment 1: A progressive dispenser indicating rod sealing sleeve, as Figure 1 、 Figure 2 shown, under the action of the oil pressure, the progressive dispenser pushes the plunger rod 1 inside to operate. An indicating rod 2 is connected to the plunger rod 1, and a rubber ring 3 is sleeved on the indicating rod 2 to prevent the oil from leaking out. A sealing sleeve 5 is assembled on the adapter 4, and the sealing sleeve 5 is located outside the oil outlet hole 73.

[0043] The plunger rod 1 axially moves in the plunger cavity 71, and the rubber ring 3 protects the oil from leaking during the movement of the plunger rod 1; the plunger rod 1 drives the indicating rod 2 to move in the sealing sleeve 5, and the sealing sleeve 5 covers the plunger rod 1 to ensure that the indicating rod 2 will not be stuck by flying dust.

[0044] The progressive dispenser indicating rod 1 and the detection device 6 are used in combination to detect the operation of the progressive dispenser and whether the main pipeline is cut off and depressurized. Designing a sealing sleeve 5 can effectively prevent flying dust from entering and prevent the oil from leaking outside when the indicating rod 1 runs at a high frequency, effectively solving the problems of the indicating rod 1 being stuck by flying dust and oil leakage.

[0045] The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any change or replacement within the technical scope disclosed by the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. A progressive distributor indicator rod sealing sleeve, comprising a distributor body (7), a plunger cavity (71) is provided in the distributor body (7), a plunger rod (1) which can move axially is installed in the plunger cavity (71), an oil inlet hole (72) and an oil outlet hole (73) are provided on the distributor body (7), the plunger cavity (71) is communicated with the oil inlet hole (72) and the oil outlet hole (73) respectively, and characterized in that: The plunger rod (1) is provided with an indicator rod (2), the distributor body (7) is provided with an adapter (4), a sealing sleeve (5) is provided on the outside of the adapter (4), and the indicator rod (2) passes through the adapter (4) and then extends into the sealing sleeve (5).

2. The seal sleeve for the indicator rod of the progressive distributor according to claim 1, characterized in that: The adapter (4) is provided with an adapter channel (41); The indicating rod (2) passes through the adapter channel (41).

3. The seal sleeve for the indicator rod of the progressive distributor according to claim 2, characterized in that: A rubber ring (3) is provided between the indicating rod (2) and the adapter (4).

4. The seal sleeve for the indicator rod of the progressive distributor according to claim 3, characterized in that: The adapter (4) is provided with a first annular groove (42) at one end of the adapter channel (41) close to the plunger rod (1), and the rubber ring (3) is installed in the first annular groove (42).

5. The seal sleeve for the indicator rod of the progressive distributor according to claim 4, characterized in that: The adapter (4) is provided with a second annular groove (43) at one end of the adapter channel (41) away from the plunger rod (1), and the sealing sleeve (5) is screwed into and fixed in the second annular groove (43).

6. The seal sleeve for the indicator rod of the progressive distributor according to claim 5, characterized in that: The sealing sleeve (5) is provided with a sealing cavity (51); The sealing cavity (51) is in communication with the adapter channel (41); One end of the indicating rod (2) passes through the adapter channel (41) and then extends into the sealing cavity (51).

7. The seal sleeve for the indicator rod of the progressive distributor according to claim 1, characterized in that: A plunger groove (11) is formed at one end of the plunger rod (1); One end of the indicating rod (2) is inserted into the plunger groove (11) and fixed.

8. The seal sleeve for the indicator rod of the progressive distributor according to claim 1, characterized in that: A detection device (6) for detecting the operating condition of the indicator rod (2) is installed on the outside of the dispenser body (7).

9. The seal sleeve for the indicator rod of the progressive distributor according to claim 8, characterized in that: The detection device (6) is located on the side of the sealing sleeve (5).

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