CN209212971U - A kind of split type oil pump sealing element - Google Patents

Abstract

The utility model provides a kind of split type oil pump sealing element, is related to split type pump sealing element technical field.The split type oil pump sealing element, including lower seal, the internal sleeve of lower seal is equipped with hydraulic cylinder one, the internal sleeve of hydraulic cylinder one is equipped with jacking block, sealing rubber ring is fixedly installed at the top of jacking block, the left side of one inner wall of hydraulic cylinder, which is connected, communicating pipe two, and communicating pipe two connects far from one end of hydraulic cylinder two valve for preventing reverse-flow two, the inside of valve for preventing reverse-flow two is equipped with counterflow-preventing fixture block two, and top and the oil duct of valve for preventing reverse-flow two are connected.The split type oil pump sealing element, pass through communicating pipe two, oil liquid in hydraulic cylinder one flows into oil duct by valve for preventing reverse-flow by communicating pipe two, reach and extra oil liquid has been sent into oil duct rubber gasket is avoided to be squeezed always effect, has solved the problems, such as that damage occurs for rubber gasket excessive extrusion the pump housing is caused to be intake to break down.

Description

A kind of split type oil pump sealing element

Technical field

The utility model relates to split type pump sealing element technical field, specially a kind of split type oil pump sealing element.

Background technique

Pump is that the mechanical energy of motor or other external energies are sent to liquid to convey liquid or be pressurized liquid Machinery, having the sealing element of sealing oil duct is a kind of to add the dress that trapped fuel road further seals on the basis of rubber mat sealing It sets, is related to split type pump sealing element technical field, split type pump is relatively high to the sealing requirements of the pump housing for transporting liquid, Existing sealing mainly is squeezed to carry out using rubber pad, and rubber pad excessive extrusion, which is easy to happen damage, causes the pump housing to be intake It breaks down.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of split type oil pump sealing element, solves rubber pad The problem of excessive extrusion is easy to cause generation damage that pump housing water inlet is caused to be broken down.

(2) technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of split type oil pump sealing Part, including lower seal, the internal sleeve of the lower seal are equipped with hydraulic cylinder one, and the internal sleeve of the hydraulic cylinder one is equipped with top Block is fixedly installed with sealing rubber ring at the top of the jacking block, and the left side of one inner wall of hydraulic cylinder, which is connected, communicating pipe two, the connection Pipe two is connected far from one end of hydraulic cylinder two valve for preventing reverse-flow two, and the inside of the valve for preventing reverse-flow two is equipped with counterflow-preventing fixture block two, The top of valve for preventing reverse-flow two is connected with oil duct, and the bottom of hydraulic cylinder one, which is connected, valve for preventing reverse-flow one, the valve for preventing reverse-flow one Inside is equipped with counterflow-preventing fixture block one, and the bottom of valve for preventing reverse-flow one, which connects bucket, a communicating pipe one, and communicating pipe one is far from valve for preventing reverse-flow One one end, which is connected, hydraulic cylinder two, and the internal sleeve of the hydraulic cylinder one is equipped with upper holder block, and the top of the upper holder block is equipped with upper Sealing element.

Preferably, the left side of the hydraulic cylinder two is fixedly connected with lower seal, is offered at the top of the lower seal Oil duct.

Preferably, the bottom of the upper seal is fixedly installed with oil duct briquetting, and the internal sleeve of the oil duct briquetting is equipped with The size of sponge block, oil duct briquetting is adapted with oil duct.

Preferably, the surface of the oil duct briquetting is arranged with rubber press, the top of the rubber press and upper seal It is fixedly connected.

Preferably, be formed by between the jacking block and hydraulic cylinder two in gap be equipped with leakage proof gasket two, the upper holder block with Leakage proof gasket one is equipped in gap between hydraulic cylinder one.

Preferably, the bottom of the upper seal is fixedly installed with fixture block on cushion rubber, and fixture block groove is big on the cushion rubber Small to be adapted with sealing rubber ring, upper seal is bolted to connection with lower seal.

(3) beneficial effect

The utility model provides a kind of split type oil pump sealing element.Have it is following the utility model has the advantages that

1, the split type oil pump sealing element, by communicating pipe two, the oil liquid in hydraulic cylinder one is passed through anti-by communicating pipe two Reflux valve flows into oil duct, has reached and extra oil liquid has been sent into oil duct rubber gasket is avoided to be squeezed always effect, has solved The problem of damage causes pump housing water inlet to be broken down, occurs for rubber gasket excessive extrusion.

2, the split type oil pump sealing element, by oil duct briquetting, the oil duct internal sleeve for storing up full oil liquid is equipped with oil duct briquetting, oil Compressed sponge block inside road briquetting, which absorbs extra oil liquid expansion, makes oil duct briquetting be close to oil duct inner wall, solves in oil duct Oil liquid is easy the problem of leaking out.

3, the split type oil pump sealing element, by upper holder block, upper seal oppresses upper holder block when sealing, compresses upper holder block Oil liquid inside hydraulic cylinder two makes oil liquid enter the inside of hydraulic cylinder one by valve for preventing reverse-flow one by communicating pipe one, pushes top Block drives sealing rubber ring to fit closely with fixture block on cushion rubber, and solving the pressure that sealing rubber ring is subject to not enough leads to asking for leak Topic.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the top view of the utility model.

In figure: 1 lower seal, 2 oil ducts, 3 hydraulic cylinders one, 4 jacking blocks, 5 sealing rubber rings, 6 upper holder blocks, 7 hydraulic cylinders two, 8 are anti- Leak pad one, 9 communicating pipes one, 10 valve for preventing reverse-flow one, 11 counterflow-preventing fixture blocks one, 12 leakage proof gaskets two, 13 communicating pipes two, 14 counterflow-preventings Valve two, 15 counterflow-preventing fixture blocks two, 16 upper seals, 17 oil duct briquettings, 18 sponge blocks, fixture block, 20 rubber press on 19 cushion rubbers.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model embodiment provides a kind of split type oil pump sealing element, as shown in Figs. 1-2, including lower seal 1, under The internal sleeve of sealing element 1 is equipped with hydraulic cylinder 1, and the internal sleeve of hydraulic cylinder 1 is equipped with jacking block 4, between jacking block 4 and hydraulic cylinder 27 It is formed by gap and is equipped with leakage proof gasket 2 12, leakage proof gasket 1, top are equipped in the gap between upper holder block 6 and hydraulic cylinder 1 The top of block 4 is fixedly installed with sealing rubber ring 5, and the left side of one 3 inner wall of hydraulic cylinder, which is connected, communicating pipe 2 13, passes through communicating pipe two 13, the oil in hydraulic cylinder 1 flows into oil duct 2 by valve for preventing reverse-flow 2 14 by communicating pipe 2 13, has reached extra oil liquid Being sent into oil duct 2 avoids sealing rubber ring 5 from being squeezed always, and solving the generation damage of 5 excessive extrusion of sealing rubber ring causes the pump housing to be intake The problem of breaking down, communicating pipe 2 13 connects far from one end of hydraulic cylinder 27 valve for preventing reverse-flow 2 14, valve for preventing reverse-flow 2 14 Inside is equipped with counterflow-preventing fixture block 2 15, and top and the oil duct 2 of valve for preventing reverse-flow 2 14 are connected, and the bottom of hydraulic cylinder 1, which is connected, to be had The inside of valve for preventing reverse-flow 1, valve for preventing reverse-flow 1 is equipped with counterflow-preventing fixture block 1, and the bottom of valve for preventing reverse-flow 1, which connects bucket, company Siphunculus 1, communicating pipe 1 connects far from one end of valve for preventing reverse-flow 1 hydraulic cylinder 27, and the left side of hydraulic cylinder 27 is close under Sealing 1 is fixedly connected, and the top of lower seal 1 offers oil duct 2, and the internal sleeve of hydraulic cylinder 1 is equipped with upper holder block 6, by upper Briquetting 6, upper seal 16 oppresses upper holder block 6 when sealing, makes the oil liquid inside 6 compression hydraulic cylinder 27 of upper holder block, passes through oil liquid Communicating pipe 1 enters the inside of hydraulic cylinder 1 by valve for preventing reverse-flow 1, pushes jacking block 4 to drive on sealing rubber ring 5 and cushion rubber and blocks Block 19 fits closely, and solves the problems, such as that the pressure that sealing rubber ring 5 is subject to not enough leads to leak, the top of upper holder block 6 is equipped with upper Sealing element 16, the bottom of upper seal 16 are fixedly installed with fixture block 19 on cushion rubber, and upper seal 16 and lower seal 1 pass through bolt It is fixedly connected, the size of 19 groove of fixture block is adapted with sealing rubber ring 5 on cushion rubber, and the bottom of upper seal 16 is fixedly installed with oil Road briquetting 17, by oil duct briquetting 17,2 internal sleeve of oil duct for storing up full oil is equipped with oil duct briquetting 17, the pressure inside oil duct briquetting 17 Contracting sponge block 18, which absorbs extra oil expansion, makes oil duct briquetting 17 be close to 2 inner wall of oil duct, and the oil liquid solved in oil duct 2 is easy The problem of leakage, the surface of oil duct briquetting 17 are arranged with rubber press 20, and the top of rubber press 20 and upper seal 16 are fixed The internal sleeve of connection, oil duct briquetting 17 is equipped with sponge block 18, and the size of oil duct briquetting 17 is adapted with oil duct 2.

Working principle: in use, tightening the bolt connected between upper seal 16 and lower seal 1, make upper seal 16 Upper holder block 6 is oppressed, upper holder block 6 is made to oppress the oil liquid in hydraulic cylinder 27, oil liquid is made to pass through valve for preventing reverse-flow one by communicating pipe 1 10 enter hydraulic cylinders 1, the oil liquid that valve for preventing reverse-flow 1 can be avoided in hydraulic cylinder 1 flow back into hydraulic cylinder 27 cause it is close Sealing rubber ring 5 loosens, and the oil pressure increase in hydraulic cylinder 1 pushes jacking block 4 that fixture block 19 on sealing rubber ring 5 and cushion rubber is driven closely to paste It closes, jacking block 4 is slipped over from communicating pipe 2 13 and the interface of hydraulic cylinder 1, flows through extra oil liquid from communicating pipe 2 13 anti-reverse It flows valve 2 14 and enters oil duct 2, make to be full of oil liquid in oil duct 2, the compressed sponge block 18 in oil duct briquetting 17 being arranged in oil duct 2 Oil suction expansion fits closely oil clot with oil duct 2, and valve for preventing reverse-flow 2 14 can prevent 2 inner fluid of oil duct from flowing back into hydraulic cylinder 1 It is interior.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of split type oil pump sealing element, including lower seal (1), it is characterised in that: the internal sleeve of the lower seal (1) Equipped with hydraulic cylinder one (3), the internal sleeve of the hydraulic cylinder one (3) is equipped with jacking block (4), and the top of the jacking block (4) is fixedly mounted Have sealing rubber ring (5), the left side of hydraulic cylinder one (3) inner wall, which is connected, communicating pipe two (13), and the communicating pipe two (13) is far from liquid One end of cylinder pressure two (7), which is connected, valve for preventing reverse-flow two (14), and the inside of the valve for preventing reverse-flow two (14) is equipped with counterflow-preventing fixture block two (15), the top of valve for preventing reverse-flow two (14) is connected with oil duct (2), and the bottom of hydraulic cylinder one (3), which is connected, valve for preventing reverse-flow one (10), the inside of the valve for preventing reverse-flow one (10) is equipped with counterflow-preventing fixture block one (11), and the bottom of valve for preventing reverse-flow one (10), which connects bucket, to be had Communicating pipe one (9), the communicating pipe one (9) is connected far from one end of valve for preventing reverse-flow one (10) hydraulic cylinder two (7), described hydraulic The internal sleeve of cylinder one (3) is equipped with upper holder block (6), and the top of the upper holder block (6) is equipped with upper seal (16).

2. a kind of split type oil pump sealing element according to claim 1, it is characterised in that: a left side for the hydraulic cylinder two (7) Side is fixedly connected with lower seal (1), offers oil duct (2) at the top of the lower seal (1).

3. a kind of split type oil pump sealing element according to claim 1, it is characterised in that: the bottom of the upper seal (16) Portion is fixedly installed with oil duct briquetting (17), and the internal sleeve of the oil duct briquetting (17) is equipped with sponge block (18), oil duct briquetting (17) Size be adapted with oil duct (2).

4. a kind of split type oil pump sealing element according to claim 3, it is characterised in that: the table of the oil duct briquetting (17) Surface cover is equipped with rubber press (20), and the top of the rubber press (20) is fixedly connected with upper seal (16).

5. a kind of split type oil pump sealing element according to claim 1, it is characterised in that: the jacking block (4) and hydraulic cylinder It is formed by between two (7) in gap and is equipped with leakage proof gasket two (12), formed between the upper holder block (6) and hydraulic cylinder one (3) Gap in be equipped with leakage proof gasket one (8).

6. a kind of split type oil pump sealing element according to claim 1, it is characterised in that: the bottom of the upper seal (16) Portion is fixedly installed with fixture block on cushion rubber (19), and the size of fixture block (19) groove is adapted with sealing rubber ring (5) on the cushion rubber, on Sealing element (16) is bolted to connection with lower seal (1).