Peristaltic pump head convenient to disassemble and assemble

Abstract

The utility model discloses a peristaltic pump head convenient to disassemble and assemble, which relates to the technical field of peristaltic pumps and comprises a pump head body, the pump head body is connected with a shell of a driver through a connecting piece, the connecting piece comprises connecting blocks and a locking piece, the connecting blocks are fixedly connected to two sides of the pump head body, slots are arranged on the two connecting blocks, and the locking piece is connected with the locking piece. A connecting groove connected with the connecting block in a matched mode is formed in the mounting face of the shell, locking grooves are formed in the two side faces adjacent to the mounting face, locking pieces are connected into the locking grooves in a penetrating mode, the inner end sections of the locking pieces are connected with the inserting grooves in a matched mode, and slope faces corresponding to the connecting block are arranged on the side faces, close to the mounting face, of the inner end sections. The middle section of the locking piece is fixedly connected with the spring, and the other end of the spring is fixedly connected with the inner wall of the locking groove. According to the peristaltic pump head convenient to disassemble and assemble, quick disassembly and assembly between the peristaltic pump head and a driver can be achieved, and then the assembly efficiency and the maintenance and replacement efficiency of a peristaltic pump are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to peristaltic pump technical field especially is involved in a peristaltic pump pump head convenient to dismount. BACKGROUND

[0002] Peristaltic pump is mainly by three parts: driver, pump head and hose, driver provides power, the output shaft of driver is connected with the roller on the pump head and drives the roller rotation, so that the roller in the pump head extrudes the hose and produces negative pressure, the hose bears pressure, produces negative pressure and transports fluid. The peristaltic pump pump head in the prior art is mostly connected with the shell of driver through screw, and the dismounting is relatively cumbersome, which affects the assembly efficiency and maintenance and replacement efficiency of peristaltic pump.

[0003] To solve the above problems, a peristaltic pump pump head convenient to dismount needs to be provided. SUMMARY

[0004] The utility model discloses a kind of peristaltic pump pump head convenient to dismount, can realize the quick dismounting between peristaltic pump pump head and driver, to improve the assembly efficiency and maintenance and replacement efficiency of peristaltic pump.

[0005] To achieve the above object, the utility model provides a kind of peristaltic pump pump head convenient to dismount, including pump head body, the pump head body is connected with the shell of driver by connecting piece, the connecting piece includes the connecting block and locking piece of one-to-one arrangement, the connecting block is fixedly connected in the two sides of the pump head body, the side face of two the connecting block is equipped with slot, the mounting surface of the shell is equipped with the connecting groove of the connecting block adaptive connection, two side faces adjacent with the mounting surface are equipped with locking slot, the locking piece is connected in the locking slot, the inner end section of the locking piece is adaptively connected with the slot, and the inner end section is equipped with the inclined surface corresponding to the connecting block on the side face close to the mounting surface, the middle section of the locking piece is fixedly connected with spring, the other end of the spring is fixedly connected with the inner wall of the locking slot.

[0006] Preferably, the outer wall of the middle section is fixedly connected with knob, the locking slot is equipped with the limiting section of the knob structure adaptation, the knob is located in the limiting section, one end of the spring is fixedly connected with the side face of the knob away from the inclined surface, the other end of the spring is fixedly connected with the inner wall of the limiting section.

[0007] Preferably, the outer end section of the locking piece is equipped with handle, and the handle is connected with the locking piece perpendicularly.

[0008] Preferably, a receiving groove matched with the handle structure is arranged on the shell, the receiving groove is communicated with the locking groove, the groove depth of the receiving groove is less than the maximum depth of the locking member extending into the insertion groove, and the bottom end of the receiving groove is provided with a clearance groove arranged along the length direction thereof.

[0009] Preferably, the limiting section is communicated with the mounting surface, and the inner end section, the middle section and the outer end section are sequentially threadedly connected.

[0010] Preferably, a mounting groove matched with the pump head body structure is arranged on the mounting surface, a through hole for the output shaft to pass through is arranged in the mounting groove, a T-shaped groove is arranged on the end face of the output shaft, and an insertion block matched with the T-shaped groove structure is arranged on the roller of the pump head body.

[0011] Therefore, the peristaltic pump head with the above structure is convenient to disassemble and assemble.

[0012] Beneficial effects:

[0013] 1. When the connecting block is inserted into the connecting groove, the connecting block contacts the slope surface on the locking member to push the locking member back into the locking groove, when the insertion groove on the connecting block moves to the position opposite to the locking groove, the locking member is inserted into the insertion groove under the action of the spring, and at this time, the quick installation of the peristaltic pump head on the driver shell can be completed; the locking member is pulled out of the insertion groove, and at this time, the peristaltic pump head can be disassembled from the driver shell.

[0014] 2. The limiting section is communicated with the mounting surface, and the inner end section, the middle section and the outer end section are threadedly connected, so that the installation and maintenance replacement of the locking member can be conveniently realized.

[0015] 3. The handle can be conveniently pulled to pull the locking member, the handle can be limited on the side surface of the shell after being rotated, so that the locking member is prevented from being reset under the action of the spring, and at this time, the peristaltic pump head can be conveniently disassembled from the driver shell.

[0016] The technical scheme of the utility model will be further described in detail through the drawings and embodiments. DRAWINGS

[0017] Figure 1 It is a structural schematic view of the embodiment of the peristaltic pump head convenient to disassemble and assemble of the utility model;

[0018] Figure 2 It is a structural schematic view of the embodiment of the locking member in the peristaltic pump head convenient to disassemble and assemble of the utility model;

[0019] Figure 3 It is a structural schematic view of the embodiment of the connecting block in the peristaltic pump head convenient to disassemble and assemble of the utility model;

[0020] Figure 4 Structure diagram of the embodiment of the locking groove in the detachable peristaltic pump head of the utility model;

[0021] Figure 5 Structure diagram of the embodiment of the shell in the detachable peristaltic pump head of the utility model.

[0022] Reference signs

[0023] 1, pump head body; 2, shell; 3, connecting block; 4, locking piece; 41, inner end section; 42, middle section; 43, outer end section; 5, connecting groove; 6, insertion groove; 7, locking groove; 8, inclined surface; 9, spring; 10, protruding ring; 11, limiting section; 12, handle; 13, storage groove; 14, accommodation groove; 15, mounting groove; 16, slot; 17, insertion block. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model is further described below by means of the drawings and embodiments.

[0025] EMBODIMENT

[0026] As shown in the drawings, Figures 1-5 A detachable peristaltic pump head comprises a pump head body 1, which is connected with the shell 2 of a driver through a connecting piece. The connecting piece comprises a connecting block 3 and a locking piece 4 arranged in one-to-one correspondence. The mounting surface of the shell 2 is provided with a connecting groove 5 adapted to connect with the connecting block 3. The connecting block 3 is fixedly connected to the two sides of the pump head body 1, and the side surface of the two connecting blocks 3 away from each other is provided with an insertion groove 6. The two side surfaces adjacent to the mounting surface are each provided with a locking groove 7, and the locking groove 7 is penetrated through and connected with the locking piece 4. The inner end section 41 of the locking piece 4 is adapted to connect with the insertion groove 6, and the side surface of the inner end section 41 close to the mounting surface is provided with an inclined surface 8 corresponding to the connecting block 3. The middle section 42 of the locking piece 4 is fixedly connected with a spring 9, and the other end of the spring 9 is fixedly connected with the inner wall of the locking groove 7.

[0027] During installation, the connecting block 3 is installed into the connecting groove 5. In this process, the connecting block 3 contacts the inclined surface 8 on the locking piece 4 to push the locking piece 4 back into the locking groove 7. When the insertion groove 6 on the connecting block 3 moves to a position directly opposite the locking groove 7, the locking piece 4 is inserted into the insertion groove 6 under the action of the spring 9. At this time, the quick installation of the peristaltic pump head on the driver shell 2 can be completed. During disassembly, the locking piece 4 is pulled out of the insertion groove 6. At this time, the peristaltic pump head can be detached from the driver shell 2.

[0028] Further, the outer wall of the middle section 42 is fixedly connected with a protruding ring 10, the locking groove 7 is provided with a limiting section 11 matched with the structure of the protruding ring 10, the protruding ring 10 is located in the limiting section 11, one end of the spring 9 is fixedly connected with the side of the protruding ring 10 away from the slope surface 8, and the other end of the spring 9 is fixedly connected with the inner wall of the limiting section 11. The protruding ring 10 and the limiting section 11 can increase the stability of the connection between the locking groove 7 and the spring 9 and the locking piece 4.

[0029] Further, the outer end section 43 of the locking piece 4 is provided with a handle 12, and the handle 12 is vertically connected with the locking piece 4. The handle 12 facilitates pulling the locking piece 4 out of the insertion groove 6, thereby facilitating the disassembly of the peristaltic pump head.

[0030] Further, the shell 2 is provided with a receiving groove 13 matched with the structure of the handle 12, the receiving groove 13 is communicated with the locking groove 7, and the receiving groove 13 can realize the storage of the handle 12 and improve the overall appearance of the equipment. The bottom end of the receiving groove 13 is provided with a gap groove 14 arranged along the length direction of the receiving groove 13, and the gap groove 14 facilitates the hand to pull the handle 12 after extending into the receiving groove 13. The groove depth of the receiving groove 13 is smaller than the maximum depth of the locking piece 4 inserted into the insertion groove 6, the handle 12 can be moved out of the receiving groove 13 after the locking piece 4 is pulled out of the insertion groove 6, at this time, the handle 12 can be limited on the side surface of the shell 2 by rotating the handle 12, and at this time, the peristaltic pump head can be removed from the driver shell 2.

[0031] Further, the limiting section 11 is communicated with the mounting surface, and the inner end section 41, the middle section 42 and the outer end section 43 are sequentially screwed. When the locking piece 4 is mounted, the middle section 42 can be first mounted into the limiting section 11 of the locking groove 7, then the inner end section 41 and the outer end section 43 are respectively inserted into the locking groove 7 from both ends and are screwed and fixed with the middle section 42, and thus the mounting of the locking piece 4 can be conveniently completed.

[0032] Further, the mounting surface is provided with a mounting groove 15 matched with the structure of the pump head body 1, the mounting groove 15 can increase the stability of the pump head body 1 on the shell 2 of the driver and reduce the weight pressure of the connecting block 3. The mounting groove 15 is provided with a through hole for the output shaft to pass through, the end surface of the output shaft is provided with a T-shaped groove 16, and the roller on the pump head body 1 is provided with an insertion block 17 matched with the structure of the T-shaped groove 16. After the pump head body 1 is mounted on the shell 2 of the driver, the insertion block 17 is inserted into the T-shaped groove 16, and the matched connection between the T-shaped groove 16 and the insertion block 17 can realize the power transmission from the driver to the pump head body 1.

[0033] Therefore, the peristaltic pump head with the above structure is convenient to disassemble and assemble, can realize the quick disassembly and assembly between the peristaltic pump head and the driver, and can improve the assembly efficiency and the maintenance and replacement efficiency of the peristaltic pump.

[0034] It should be pointed out finally that: the above examples are only used to illustrate the technical solutions of the utility model and not to limit them, although the utility model has been explained in detail with reference to the preferred embodiments, ordinary skilled in the art should understand that: its still can modify or equivalent replace the technical solutions of the utility model, and these modifications or equivalent replacements also can not make the modified technical solutions deviate from the spirit and scope of the technical solutions of the utility model.

Claims

1. A peristaltic pump head which is easy to assemble and disassemble, characterized in that: The utility model relates to a pump head body (1) is connected with the shell (2) of driver through the connecting piece, the connecting piece includes the connecting block (3) and locking piece (4) of one-to-one arrangement, the connecting block (3) fixed connection in the both sides of pump head body (1), two connecting block (3) are equipped with the slot (6) on the side face away from each other, the mounting surface of shell (2) is equipped with the connecting groove (5) of the connecting block (3) adaptive connection, two side faces adjacent with the mounting surface are equipped with locking groove (7), locking groove (7) is connected with the locking piece (4) in the through, the inner end section (41) of locking piece (4) is connected with the slot (6) adaptive, and the inner end section (41) is equipped with the inclined surface (8) of the connecting block (3) corresponding arrangement on the side face close to the mounting surface, the middle section (42) of locking piece (4) is fixed with spring (9), the other end of spring (9) is fixed with the inner wall of locking groove (7).

2. The pump head of claim 1, wherein: The outer wall of middle section (42) is fixedly connected with the lug (10), the locking groove (7) is equipped with the limit section (11) of the lug (10) structure is adapted, the lug (10) is located in the limit section (11), one end of spring (9) is fixedly connected with the lug (10) side face away from the inclined surface (8), the other end of spring (9) is fixedly connected with the inner wall of limit section (11).

3. The easy-to-disassemble peristaltic pump head of claim 2, wherein: The outer end section (43) of locking piece (4) is equipped with the handle (12), and the handle (12) is connected with the locking piece (4) perpendicularly.

4. The easy-to-disassemble peristaltic pump head of claim 3, wherein: The shell (2) is equipped with the receiving groove (13) of the handle (12) structure is adapted, the receiving groove (13) is connected with the locking groove (7), the groove depth of receiving groove (13) is less than the maximum depth of locking piece (4) into the slot (6), and the bottom end of receiving groove (13) is equipped with the accommodation groove (14) along its length direction.

5. The easy-to-disassemble peristaltic pump head of claim 4, wherein: The limit section (11) is communicated with the mounting surface, and the inner end section (41), the middle section (42) and the outer end section (43) are sequentially screwed.

6. The easy-to-disassemble peristaltic pump head of claim 1, wherein: The mounting surface is equipped with the mounting groove (15) of the pump head body (1) structure is adapted, the mounting groove (15) is equipped with the perforation of the output shaft, the end surface of output shaft is equipped with a T slot (16), and the roller on the pump head body (1) is equipped with the plug-in block (17) of the T slot (16) structure is adapted.

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