High-pressure pump pressure release valve ceramic hemisphere with protection structure

Abstract

The utility model discloses a high-pressure pump pressure release valve ceramic hemisphere with a protective structure, which comprises a spherical body and a first connecting block connected with the lower side of the spherical body, and a first operating rod is arranged on the upper side of the spherical body; the buffer gasket is mounted on the outer side of the spherical body, and a valve shell is arranged on the outer side of the buffer gasket. According to the high-pressure pump pressure release valve ceramic hemisphere with the protection structure, the protection structure is well reinforced in the using process, so that the device is not prone to being damaged and broken due to pressure impact in the working process in a valve body, and the using effect of the device is prevented from being affected; and meanwhile, in the using process, trace pressure relief adjustment can be conveniently conducted on the interior of the pipeline when the pressure is too large, so that the device is not prone to being broken due to the too large pressure in the long-time using process, the using safety of the device is prevented from being affected, and the better using effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high pressure pump pressure relief valve technical field, concretely to a kind of high pressure pump pressure relief valve ceramic hemisphere with protective structure. BACKGROUND

[0002] High pressure pump pressure relief valve is a kind of safety equipment, for protecting high pressure pump and its related pipeline from being damaged by excessive pressure, ceramic hemisphere in high pressure pump pressure relief valve is a kind of hemispherical component using ceramic material, mainly used in the pressure relief valve of high pressure pump, such as

[0003] But the ceramic hemisphere of prior art does not have better reinforcing protective structure in the process of use, so that the device is prone to breakage and fracture during working in the valve body, which affects the use effect of the device and reduces the service life of the device.

[0004] Meanwhile, the ceramic hemisphere of prior art is inconvenient to adjust the slight pressure relief of pipeline interior when pressure is too large in the process of use, so that the device is prone to fracture under the extrusion of excessive pressure for a long time, which affects the use safety of the device and reduces the use efficiency of the device.

[0005] Therefore, in view of the above problems, it is urgent to make innovative design on the basis of the original ceramic hemisphere. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a kind of high pressure pump pressure relief valve ceramic hemisphere with protective structure to solve the problems that the device is prone to breakage and fracture during working in the valve body due to pressure impact in the process of use, which affects the use effect of the device, and it is inconvenient to adjust the slight pressure relief of pipeline interior when pressure is too large in the process of use, which affects the use safety of the device.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of high pressure pump pressure relief valve ceramic hemisphere with protective structure, comprising: spherical body, and the first connecting block of the lower side of spherical body is connected, and the upper side of spherical body is provided with first operating rod;

[0008] Further comprising:

[0009] Buffer washer is installed on the outside of spherical body, and the outside of buffer washer is provided with valve housing, the right side of spherical body is provided with shielding block, and the middle part of shielding block is provided with sealing rubber ring, the lower side of shielding block is provided with pressure relief channel;

[0010] The positioning block is installed in the interior of the spherical body, and the left side of the positioning block is provided with a reinforced protection plate, the middle part of the reinforced protection plate is provided with a driving assembly, and the outer side of the driving assembly is provided with a second connecting block, and the right side of the second connecting block is connected with a guide strip.

[0011] In a possible implementation, the driving assembly comprises a second operating rod installed in the middle part of the reinforced protection plate, the upper side of the second operating rod is connected with a limiting rod, the right side of the operating rod is installed with a driving rod, and the middle part of the driving rod is provided with a driving disc.

[0012] In a possible implementation, the limiting rod is threadedly connected with the second operating rod, and the second operating rod is rotationally arranged relative to the reinforced protection plate.

[0013] In a possible implementation, the second operating rod is meshingly arranged relative to the driving disc, and the driving rod arranged on the outer side of the driving disc is rotationally arranged relative to the reinforced protection plate.

[0014] In a possible implementation, the driving rod is threadedly connected with the second connecting block, and the upper and lower ends of the driving rod are oppositely arranged in a threaded manner.

[0015] In a possible implementation, the second connecting block is slidingly arranged relative to the guide strip, and the second connecting block is clampingly arranged relative to the spherical body.

[0016] In a possible implementation, the sealing rubber ring is clampingly arranged relative to the shielding block.

[0017] In a possible implementation, the left side of the shielding block is provided with a supporting rod, the right side of the supporting rod is connected with a guide block, and the middle part of the supporting rod is provided with a damper.

[0018] In a possible implementation, the supporting rod is slidingly arranged relative to the guide block, and the guide block is symmetrically arranged relative to the central axis of the supporting rod.

[0019] Compared with the prior art, the high-pressure pump pressure relief valve ceramic hemisphere with the protection structure has the advantages that: in the process of use, the device has a good reinforced protection structure, so that the device is not easy to be damaged and broken due to pressure impact during the working process in the valve body, the use effect of the device is avoided from being affected, and in the process of use, the device is not easy to be broken due to excessive pressure during long-term use, the use safety of the device is avoided from being affected, and the device has better use effect, and the specific contents are shown as follows:

[0020] 1、Through the cooperation of the second operating rod and the driving disc, the driving rod is pushed to rotate inside the reinforcing protection plate, so that the second connecting block connected to the outer side of the driving rod is displaced outward along the guide strip, and at the moment, the second connecting block displaced outward is clamped with the spherical body to limit the reinforcing protection plate, at the moment, the reinforcing protection plate reinforces the spherical body to improve the overall strength of the spherical body, avoids damage and breakage of the spherical body due to pressure impact during the working process of the valve shell, and avoids the influence of the use effect of the device;

[0021] 2、Through the cooperation of the guide block and the support rod, the shielding block and the sealing rubber ring are displaced to the left side to extrude the damper arranged in the middle of the support rod, so that the shielding block and the sealing rubber ring are loosened to shield the pressure relief channel, at the moment, the large air pressure generated in the second opening is poured into the interior of the first opening through the pressure relief channel to achieve the working of micro-pressure relief adjustment, avoids breakage of the spherical body due to excessive pressure during long-time use, and avoids the influence of the use safety of the spherical body;

[0022] 3、Through the cooperation of the buffer washer and the valve shell, the spherical body is wrapped and connected, so that the buffer washer can effectively fill the connection gap between the spherical body and the valve shell, improve the air tightness of the device, and at the same time, the buffer washer wrapped outside the spherical body can effectively buffer and wrap the spherical body due to the flexibility of the material, improve the use effect of the device, and reduce the possibility of damage of the spherical body. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front view of the sectional structure of the utility model;

[0024] Figure 2 It is a top view of the sectional structure of the utility model;

[0025] Figure 3 It is a shielding block and support rod connection overall structure diagram of the utility model;

[0026] Figure 4 It is a driving rod and connecting block connection overall structure diagram of the utility model;

[0027] Figure 5 It is a Figure 1 enlarged structure diagram of the utility model at A.

[0028] In the figure: 1, spherical body; 2, first connecting block; 3, first operating rod; 4, buffer washer; 5, valve shell; 6, first opening; 7, second opening; 8, shielding block; 9, sealing rubber ring; 10, support rod; 11, guide block; 12, damper; 13, pressure relief channel; 14, positioning block; 15, reinforcing protection plate; 16, drive assembly; 1601, second operating rod; 1602, limiting rod; 1603, drive rod; 1604, drive disc; 17, second connecting block; 18, guide strip. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] Please refer to Figures 1-5 The present application provides a technical solution: a high-pressure pump pressure relief valve ceramic hemisphere with a protective structure, comprising a spherical body 1, a first connecting block 2, a second operating rod 3, a buffer washer 4, a valve shell 5, a first opening 6, a second opening 7, a shielding block 8, a sealing rubber ring 9, a support rod 10, a guide block 11, a damper 12, a pressure relief channel 13, a positioning block 14, a reinforcing protection plate 15, a drive assembly 16, a second operating rod 1601, a limiting rod 1602, a drive rod 1603, a drive disc 1604, a second connecting block 17 and a guide strip 18.

[0031] Specifically as Figure 1 , Figure 4 and Figure 5As shown, before the device is used, the reinforcing protection plate 15 is installed on the left side of the spherical body 1 by the positioning block 14 arranged inside the spherical body 1, at this time the operator reinforces the drive assembly 16 arranged in the middle of the reinforcing protection plate 15, and the drive assembly 16 includes the second operating rod 1601, the limiting rod 1602, the drive rod 1603 and the drive disc 1604, at this time the second operating rod 1601 arranged in the middle of the reinforcing protection plate 15 is rotated, and because of the meshing connection structure of the second operating rod 1601 and the drive disc 1604, the rotating second operating rod 1601 can effectively push the drive disc 1604 and the drive rod 1603 arranged outside the drive disc 1604 to rotate inside the reinforcing protection plate 15, at this time because of the threaded connection structure of the drive rod 1603 and the second connecting block 17, the rotating drive rod 1603 can effectively push the second connecting block 17 connected outside to displace outward, and because the threads on the upper and lower ends of the drive rod 1603 are arranged in opposite directions, the second connecting block 17 arranged on the upper and lower sides of the drive rod 1603 can displace outward synchronously, at this time because of the sliding connection relationship between the guide strip 18 and the second connecting block 17, the second connecting block 17 is guided and limited by the guide strip 18 in the sliding process, and because of the clamping connection structure of the second connecting block 17 and the spherical body 1, the second connecting block 17 displaced outward is clamped with the spherical body 1, and the reinforcing protection plate 15 is fixed on the left side of the spherical body 1 through the series connection of the second connecting block 17, at this time the limiting rod 1602 connected to the upper side of the second operating rod 1601 is rotated, and because of the threaded connection relationship between the limiting rod 1602 and the second operating rod 1601 and the reinforcing protection plate 15, the limiting rod 1602 limits the second operating rod 1601, avoiding the rotational displacement of the second operating rod 1601 in the process of use, at this time the reinforcing protection plate 15 reinforces the spherical body 1 to improve the overall strength of the spherical body 1, avoiding the damage and breakage of the spherical body 1 due to pressure impact in the process of working inside the valve shell 5, avoiding the influence of the use effect of the device, and improving the use strength of the device;

[0032] Specifically as Figure 1 , Figure 2 and Figure 3As shown, in the process of using the device, the first operating rod 3 arranged on the upper side of the spherical body 1 is rotated, so that the spherical body 1 rotates along the first connecting block 2 connected to the lower side of the valve shell 5 inside the valve shell 5, at this time the rotating spherical body 1 closes the second opening 7 opened on the right side of the valve shell 5, so that the spherical body 1 is closed to the first opening 6 and the second opening 7 opened on the left and right sides of the valve shell 5, at this time the fluid and gas in the second opening 7 are impacted by the air pressure to impact the right side surface of the spherical body 1, so that the blocking block 8 arranged on the right side of the spherical body 1 is displaced to the inside of the spherical body 1 under the influence of the air pressure, at this time the blocking block 8 pushes the support rod 10 arranged on the right side thereof to displace to the left side, and due to the sliding connection structure of the guide block 11 and the support rod 10, the blocking block 8 and the support rod 10 connected to the left side thereof are limited by the guide block 11 during displacement to the left side, at this time the blocking block 8 displaced to the left side extrudes the damper 12 arranged in the middle of the support rod 10, so that the blocking block 8 and the support rod 10 displaced to the left side relax the shielding of the pressure relief channel 13 opened on the lower side of the blocking block 8, so that the second opening 7 and the first opening 6 opened on the left and right sides of the valve shell 5 are communicated through the pressure relief channel 13, at this time the large air pressure generated in the second opening 7 is poured into the inside of the first opening 6 through the pressure relief channel 13, so as to complete the micro unloading of high pressure, and at the same time when the air pressure decreases, the damper 12 in the support rod 10 is extruded to rebound, so that the rebounding damper 12 can effectively push the blocking block 8 connected to the right side thereof to displace to the right side, at this time the blocking block 8 displaced to the right side and the sealing rubber ring 9 shield the pressure relief channel 13 opened on the lower side thereof to be resealed, so that the air pressure in the second opening 7 returns to a stable value, avoiding the spherical body 1 from being broken due to excessive pressure during long-term use, avoiding the use safety of the spherical body 1 from being affected, and having better use effect; at the same time before assembling the device, the buffer ring 4 is adhered to the inner wall of the valve shell 5, at this time the spherical body 1 and the first operating rod 3 and the first connecting block 2 arranged on the upper and lower sides thereof are installed in the inside of the valve shell 5, so that the buffer ring 4 adhered in the inside of the valve shell 5 is in contact with the spherical body 1, and the spherical body 1 installed in the inside of the valve shell 5 is wrapped by the buffer ring 4, at this time due to the air-tightness of the material of the buffer ring 4, the buffer ring 4 can effectively fill the connection gap between the spherical body 1 and the valve shell 5, improve the air tightness of the device, and at the same time in the process of using the spherical body 1, the buffer ring 4 wrapped on the outside of the spherical body 1 can effectively buffer and wrap the spherical body 1 due to the flexibility of the material of the buffer ring 4, improve the use effect of the device, and reduce the possibility of damage of the spherical body 1.

[0033] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the conventional connection mode in the prior art is adopted for circuit connection, and details are not described herein, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0034] Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high pressure pump relief valve ceramic hemisphere with a protective structure, comprising: The spherical body (1), and the first connecting block (2) connected to the lower side of the spherical body (1), and the first operating rod (3) arranged on the upper side of the spherical body (1); It is characterized in that further comprising: The buffer washer (4) is installed on the outer side of the spherical body (1), and the outer side of the buffer washer (4) is provided with a valve housing (5), the right side of the spherical body (1) is provided with a shielding block (8), and the middle part of the shielding block (8) is provided with a sealing rubber ring (9), and the lower side of the shielding block (8) is provided with a pressure relief channel (13). The positioning block (14) is installed in the interior of the spherical body (1), and the left side of the positioning block (14) is provided with a reinforced protection plate (15), the middle part of the reinforced protection plate (15) is provided with a driving assembly (16), and the outer side of the driving assembly (16) is provided with a second connecting block (17), and the right side of the second connecting block (17) is connected with a guide strip (18).

2. The ceramic half ball of the pressure relief valve of the high-pressure pump with a protective structure according to claim 1, characterized in that: The driving assembly (16) comprises a second operating rod (1601) installed in the middle part of the reinforced protection plate (15), the upper side of the second operating rod (1601) is connected with a limiting rod (1602), the right side of the operating rod (1601) is installed with a driving rod (1603), and the middle part of the driving rod (1603) is provided with a driving disc (1604).

3. The ceramic half ball of the relief valve of the high-pressure pump with a protective structure according to claim 2, characterized in that: The limiting rod (1602) is threadedly connected with the second operating rod (1601), and the second operating rod (1601) is rotatably arranged relative to the reinforced protection plate (15).

4. The ceramic half ball of the relief valve of the high-pressure pump with a protective structure according to claim 2, characterized in that: The second operating rod (1601) is meshingly arranged relative to the driving disc (1604), and the driving rod (1603) arranged on the outer side of the driving disc (1604) is rotatably arranged relative to the reinforced protection plate (15).

5. The ceramic half ball of the relief valve of the high pressure pump with a protective structure according to claim 2, characterized in that: The driving rod (1603) is threadedly connected with the second connecting block (17), and the upper and lower ends of the driving rod (1603) are oppositely arranged.

6. The ceramic half ball of the relief valve of the high-pressure pump with a protective structure according to claim 1, characterized in that: The second connecting block (17) is slidably arranged relative to the guide strip (18), and the second connecting block (17) is clamped relative to the spherical body (1).

7. The ceramic half ball of the relief valve of the high-pressure pump with a protective structure according to claim 1, characterized in that: The sealing rubber ring (9) is clamped relative to the shielding block (8).

8. The ceramic half ball of the relief valve of the high pressure pump with a protective structure according to claim 1, characterized in that: The left side of the shielding block (8) is provided with a supporting rod (10), the right side of the supporting rod (10) is connected with a guide block (11), and the middle part of the supporting rod (10) is provided with a damper (12).

9. The ceramic half ball of the relief valve of the high-pressure pump with a protective structure according to claim 8, characterized in that: The supporting rod (10) is slidably arranged relative to the guide block (11), and the guide block (11) is symmetrically arranged relative to the center axis of the supporting rod (10).

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