CN220989263U - Sterilizing device for pressure monitoring feedback sheath - Google Patents

Abstract

The utility model discloses a sterilizing device of a pressure monitoring feedback sheath tube, which comprises a main body assembly, a sterilizing box, a door body, a handle, supporting legs, a control panel and a sterilizing piece, wherein the door body is arranged on one side of the sterilizing box, the handle is fixed on one side of the door body, the supporting legs are fixed at the bottom of the sterilizing box, the control panel is fixed on one side of the sterilizing box, the sterilizing piece is arranged at the top of the sterilizing box, a scraping assembly is arranged on the sterilizing box and comprises a scraping piece and a limiting piece, the scraping piece is positioned in the sterilizing box, and the limiting piece is arranged on the door body, and the sterilizing device has the beneficial effects that: can clean with the antiseptic solution of remaining at the disinfect box inner wall through the setting of striking off the subassembly, strike off the subassembly and can clear away bacterium or virus residue on the disinfect box inner wall effectively, reduced the risk of recontamination.

Description

Sterilizing device for pressure monitoring feedback sheath

Technical Field

The utility model relates to the technical field of pressure monitoring feedback sheath pipes, in particular to a sterilizing device for a pressure monitoring feedback sheath pipe.

Background

The pressure monitoring feedback sheath is a device for measuring and monitoring the pressure inside a pipeline or a container, is usually made of metal or plastic, has the characteristics of flexibility and pressure resistance, and in certain special cases, such as in the medical field or specific industrial application, the pressure monitoring feedback sheath may need to be sterilized, a sterilizing liquid (such as chlorine-containing disinfectant) with proper concentration can be sprayed on the surface of the sheath to cover the whole surface during sterilization, and ensure that the sterilizing liquid fully contacts each part, care is taken to avoid the use of sterilizing liquid which is corrosive to the sheath, the pressure monitoring feedback sheath is usually placed in a sterilizing box during sterilization, then the spraying head is used for spraying and sterilizing the pressure monitoring feedback sheath, after the pressure monitoring feedback sheath is sprayed and sterilized, residual sterilizing liquid can remain on the inner wall of the sterilizing box in the prior art, and can become a place for breeding bacteria or viruses, if the inner wall of the sterilizing box is not cleaned timely, the bacteria or viruses can pollute the articles in the sterilizing box again, and when a door body is closed, the door body is scraped off, thereby the door body is in contact with a limit mechanism, and the sterilizing box is damaged by the damage caused by the improper opening of a sterilizing box is caused.

Disclosure of utility model

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The present utility model has been made in view of the above-mentioned and/or existing problems with sterilizing devices for pressure monitoring feedback sheaths.

Therefore, the problem to be solved by the utility model is that after the pressure monitoring feedback sheath is sprayed and disinfected, residual disinfectant can remain on the inner wall of the disinfection box, the disinfectant remains on the inner wall of the disinfection box and can become a place for bacteria or viruses to grow and remain, if the inner wall of the disinfection box is not cleaned in time, the bacteria or viruses can pollute the objects in the disinfection box again, and when the door body is closed, the door body lacks a limiting mechanism, so that the door body is opened by false touch, the scraping piece moves, and the scraping of the disinfection box is affected.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a disinfection device of pressure monitoring feedback sheath, its includes main part subassembly, includes disinfect box, door body, handle, supporting leg, control panel and disinfection piece, the door body set up in disinfect box one side, the handle with door body one side is fixed, the supporting leg is fixed in disinfect box bottom, control panel with disinfect box one side is fixed, disinfection piece set up in disinfect box top;

The scraping assembly is arranged on the sterilizing box and comprises a scraping part and a limiting part, wherein the scraping part is positioned in the sterilizing box, and the limiting part is arranged on the door body.

As a preferred embodiment of the sterilization apparatus for pressure monitoring feedback sheath according to the present utility model, wherein: the disinfection piece comprises a disinfection spray head, a diffusion disc and a fixing frame, wherein the disinfection spray head is fixed on the inner wall of the disinfection box, the diffusion disc is arranged below the disinfection spray head, and the fixing frame is sleeved on the outer side of the disinfection spray head.

As a preferred embodiment of the sterilization apparatus for pressure monitoring feedback sheath according to the present utility model, wherein: the disinfection piece further comprises a storage box and a feed inlet, wherein the storage box is fixed at the top of the disinfection box, and the feed inlet is fixed with the top of the storage box.

As a preferred embodiment of the sterilization apparatus for pressure monitoring feedback sheath according to the present utility model, wherein: the disinfection piece further comprises a cooling fan, a rotating rod and a motor, wherein the cooling fan is located on one side of the disinfection box, the rotating rod is fixed on one side of the cooling fan, and the motor is fixed on one end of the rotating rod.

As a preferred embodiment of the sterilization apparatus for pressure monitoring feedback sheath according to the present utility model, wherein: the scraping piece comprises a scraping frame, a threaded rod and a first gear, wherein the scraping frame is arranged on the inner wall of the disinfection box, the threaded rod is inserted into one side of the scraping frame, the threaded rod is in threaded connection with the scraping frame, and the first gear is sleeved on the outer side of the threaded rod.

As a preferred embodiment of the sterilization apparatus for pressure monitoring feedback sheath according to the present utility model, wherein: the scraping part further comprises a second gear and a movable rod, the second gear is located on one side of the first gear, the second gear is meshed with the first gear, and the movable rod is inserted into the top of the second gear.

As a preferred embodiment of the sterilization apparatus for pressure monitoring feedback sheath according to the present utility model, wherein: the scraping part further comprises a movable block and a supporting rod, the movable block is fixed on one side of the scraping frame, the supporting rod is inserted into one side of the movable block, and the supporting rod is movably connected with the movable block.

As a preferred embodiment of the sterilization apparatus for pressure monitoring feedback sheath according to the present utility model, wherein: the limiting piece comprises a fixed block, a limiting block and a connecting rod, wherein the fixed block is fixed on one side of the sterilizing box, a limiting hole is formed in the fixed block, the limiting block is located in the limiting hole, and the connecting rod is fixed on one side of the limiting block.

As a preferred embodiment of the sterilization apparatus for pressure monitoring feedback sheath according to the present utility model, wherein: the limiting part further comprises a pressure disc and a spring, the pressure disc is sleeved on the outer side of the connecting rod, and the spring is fixed on one side of the pressure disc.

As a preferred embodiment of the sterilization apparatus for pressure monitoring feedback sheath according to the present utility model, wherein: the limiting part further comprises a fixing frame and a positioning block, the fixing frame is sleeved on the outer side of the connecting rod, the fixing frame is movably connected with the connecting rod, and the positioning block is sleeved on the outer side of the fixing frame.

The utility model has the beneficial effects that: can clean with the antiseptic solution that remains at the disinfect box inner wall through the setting of striking off the subassembly, strike off the subassembly and can clear away bacterium or virus residue on the disinfect box inner wall effectively, reduced the risk of recontamination, can carry out spacingly to the door body through the setting of locating part, prevent that the door body from being touched by mistake and remove and drive the piece removal of striking off.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is an overall construction diagram of a sterilizing apparatus for a pressure monitoring feedback sheath.

Fig. 2 is a schematic diagram showing the whole cross-sectional structure of the sterilizing apparatus for the pressure monitoring feedback sheath.

Fig. 3 is an enlarged partial view of the sterilizing device of the pressure monitoring feedback sheath at a in fig. 2.

Fig. 4 is a sectional view of a sterilizing chamber of the sterilizing apparatus for pressure monitoring and feedback sheath.

Fig. 5 is an enlarged partial view of the sterilizing device of the pressure monitoring feedback sheath at B in fig. 4.

Fig. 6 is a sectional view of a fixing frame of the sterilizing apparatus for pressure monitoring feedback sheath.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 6, in a first embodiment of the present utility model, a sterilizing apparatus for a pressure monitoring feedback sheath is provided, and the sterilizing apparatus for a pressure monitoring feedback sheath includes a main body assembly 100 and a scraping assembly 200, which cooperate to scrape off a sterilizing fluid remaining on an inner wall of a sterilizing chamber.

The main body assembly 100 comprises a sterilizing box 101, a door body 102, a handle 103, supporting legs 104, a control panel 105 and a sterilizing piece 106, wherein the door body 102 is arranged on one side of the sterilizing box 101, the handle 103 is fixed on one side of the door body 102, the supporting legs 104 are fixed on the bottom of the sterilizing box 101, the control panel 105 is fixed on one side of the sterilizing box 101, and the sterilizing piece 106 is arranged on the top of the sterilizing box 101.

The disinfection case 101 is used for bearing objects, so that the pressure monitoring feedback sheath can be placed in the disinfection case 101, then the disinfection case 101 can be conveniently disinfected, the disinfection case 101 can be sealed through the arrangement of the door body 102, the periphery of the door body 102 is provided with a sealing ring, the disinfection liquid can be prevented from leaking out during disinfection, the door body 102 is pulled by a user conveniently through the arrangement of the handle 103, the door body 102 is opened, the pressure monitoring feedback sheath which needs to be disinfected can be placed in the disinfection case 101 so as to disinfect the pressure monitoring feedback sheath, the number of the supporting legs 104 is two, the two supporting legs are fixed at the bottom of the disinfection case 101, the disinfection case 101 can be supported through the arrangement of the supporting legs 104, the disinfection case 101 is prevented from deviating, a switch button is arranged on the control panel 105 for opening and closing the power supply of the disinfection case, and the disinfection piece 106 is used for disinfecting the pressure monitoring feedback sheath in the disinfection case 101.

The scraping assembly 200 is arranged on the sterilizing box 101 and comprises a scraping piece 201 and a limiting piece 202, wherein the scraping piece 201 is positioned in the sterilizing box 101, and the limiting piece 202 is arranged on the door body 102.

Can strike off the antiseptic solution that remains on the inner wall of the disinfection case 101 through the setting of striking off piece 201 to can clear away bacterium or virus on the inner wall of the disinfection case effectively and remain, reduce the risk of recontamination, after the door body 102 is closed, in order to prevent that door body 102 from being touched by mistake this moment and leading to door body 102 to open, can carry out spacingly striking off piece 201 through the setting of locating part 202, thereby can prevent that door body 102 from being touched by mistake and leading to door body 102 to open, with this can avoid the antiseptic solution to leak.

Example 2

Referring to fig. 1 to 5, this embodiment is based on the previous embodiment, which is a second embodiment of the present utility model.

Specifically, the disinfection piece 106 includes a disinfection nozzle 106a, a diffusion disc 106b and a fixing frame 106c, the disinfection nozzle 106a is fixed on the inner wall of the disinfection box 101, the diffusion disc 106b is arranged below the disinfection nozzle 106a, and the fixing frame 106c is sleeved outside the disinfection nozzle 106 a.

Can spray antiseptic solution in the disinfection case 101 through the setting of disinfection shower nozzle 106a, spray antiseptic solution to the surface of pressure monitoring feedback sheath to accomplish the disinfection to pressure monitoring feedback sheath, can evenly spread the liquid spraying to bigger scope through the setting of diffusion dish 106b, thereby can carry out comprehensive disinfection to pressure monitoring feedback sheath, mount 106c is fixed in diffusion dish 106b top, can fix diffusion dish 106b below disinfection shower nozzle 106a through the setting of mount 106c, so as to increase the scope of spraying.

Specifically, the sterilizing unit 106 further includes a storage tank 106d and a feed inlet 106e, the storage tank 106d is fixed to the top of the sterilizing unit 101, and the feed inlet 106e is fixed to the top of the storage tank 106 d.

The bin 106d is communicated with the disinfection spray head 106a, disinfection spray head 106a can be provided with disinfection liquid for spraying through the setting of bin 106d, disinfection liquid can be added in bin 106d through the setting of feed inlet 106e, the top of feed inlet 106e is provided with the lid, prevent that external debris from falling into bin 106d, still be provided with heating device in bin 106d, can heat the disinfection liquid in bin 106d, the disinfection effect of heating disinfection liquid can be improved, the high temperature can destroy the cell structure and the function of bacterium, virus and other microorganism, thereby kill them more effectively, appropriate heating can increase the temperature of disinfection liquid, improve the disinfection effect, ensure the thoroughness of disinfection.

Specifically, the sterilizing unit 106 further includes a cooling fan 106f, a rotating rod 106g, and a motor 106h, the cooling fan 106f is located at one side of the sterilizing chamber 101, the rotating rod 106g is fixed to one side of the cooling fan 106f, and the motor 106h is fixed to one end of the rotating rod 106 g.

The bin 106d is provided with two layers, the cooling fan 106f is arranged on the outer layer of the bin 106d, the sterilizing liquid in the sterilizing box 101 can be cooled through the arrangement of the cooling fan 106f, the sterilizing liquid can continuously sterilize at a high temperature, but sometimes the sterilizing process needs to be stopped rapidly, the temperature of the sterilizing liquid can be reduced rapidly through cooling the sterilizing liquid, so that the sterilizing effect is stopped, the control and the end of the sterilizing process are ensured, the inner layer of the bin 106d is blown through the cooling fan 106f, the outer layer can ensure that cold air cannot leak, so that the sterilizing liquid on the inner layer of the bin 106d is cooled, the cooling fan 106f can be driven to rotate through the arrangement of the rotating rod 106g, and the motor 106h is used for driving the rotating rod 106g to rotate.

Specifically, the scraping member 201 includes a scraping frame 201a, a threaded rod 201b and a first gear 201c, the scraping frame 201a is disposed on an inner wall of the sterilization case 101, the threaded rod 201b is inserted into one side of the scraping frame 201a, the threaded rod 201b is in threaded connection with the scraping frame 201a, and the first gear 201c is sleeved on an outer side of the threaded rod 201 b.

After disinfecting the pressure monitoring feedback sheath, there is the antiseptic solution that remains in the inner wall of the disinfection case 101 this moment, thereby can strike off the antiseptic solution that the liquid remained in the inner wall of the disinfection case 101 through striking off the removal of frame 201a, threaded rod 201b rotates with the inner wall of disinfection case 101 through the bearing to be connected, can drive striking off the frame 201a through the rotation of threaded rod 201b and remove, can drive threaded rod 201b through the rotation of first gear 201c and rotate.

Specifically, the scraping member 201 further includes a second gear 201d and a movable rod 201e, the second gear 201d is located at one side of the first gear 201c, the second gear 201d is meshed with the first gear 201c, and the movable rod 201e is inserted into the top of the second gear 201 d.

The first gear 201c can be driven to rotate through the arrangement of the second gear 201d, the movable rod 201e is inserted into one side of the door body 102, the bottom of the movable rod 201e is rotationally connected with the inner wall of the sterilizing box 101 through a bearing, the pressure monitoring feedback sheath needs to be taken out after being sterilized, the door body 102 is opened, the door body 102 can drive the movable rod 201e to rotate at the moment, and the second gear 201d can be driven to rotate through the rotation of the movable rod 201 e.

Specifically, the scraping member 201 further includes a movable block 201f and a supporting rod 201g, the movable block 201f is fixed on one side of the scraping frame 201a, the supporting rod 201g is inserted on one side of the movable block 201f, and the supporting rod 201g is movably connected with the movable block 201 f.

When the scraping frame 201a moves, in order to prevent the other side of the scraping frame 201a from shifting, the moving block 201f is driven to move by the movement of the scraping frame 201a, the moving block 201f moves on the supporting rod 201g to support the scraping frame 201a, the scraping frame 201a is prevented from shifting, the supporting rod 201g is fixed on the inner wall of the sterilizing chamber 101, the moving block 201f can be supported by the arrangement of the supporting rod 201g, and the moving block 201f is prevented from shifting.

Example 3

Referring to fig. 2 and 6, a third embodiment of the present utility model is based on the first two embodiments.

Specifically, the limiting member 202 includes a fixing block 202a, a limiting block 202b and a connecting rod 202c, the fixing block 202a is fixed on one side of the sterilizing chamber 101, a limiting hole X is provided on the fixing block 202a, the limiting block 202b is located in the limiting hole X, and the connecting rod 202c is fixed on one side of the limiting block 202 b.

After the door body 102 is closed, in order to prevent the door body 102 from being opened due to the false touch at this time, the door body 102 can be prevented from being opened due to the false touch by the clamping of the limiting block 202b and the limiting hole X, the limiting block 202b can be supported by the arrangement of the fixing block 202a to prevent the limiting block 202b from shifting, and when the limit of the door body 102 needs to be released, the connecting rod 202c moves to drive the limiting block 202b to be separated from the limiting hole X, so that the limit of the door body 102 can be released.

Specifically, the limiting member 202 further includes a pressure disc 202d and a spring 202e, the pressure disc 202d is sleeved on the outer side of the connecting rod 202c, and the spring 202e is fixed on one side of the pressure disc 202 d.

The spring 202e is sleeved on the outer side of the connecting rod 202c, when the connecting rod 202c moves, the connecting rod 202c drives the pressure disc 202d to move, the pressure disc 202d moves to apply extrusion force to the spring 202e, the connecting rod 202c moves to drive the limiting block 202b to be separated from the limiting hole X, so that limiting of the door body 102 can be relieved, when the door body 102 needs to be limited, the connecting rod 202c is loosened, and at the moment, the clamping of the limiting block 202b and the limiting hole X can be driven by the resilience force of the spring 202e, so that the door body 102 can be prevented from being opened due to false touch.

Specifically, the limiting member 202 further includes a fixing frame 202f and a positioning block 202g, the fixing frame 202f is sleeved on the outer side of the connecting rod 202c, the fixing frame 202f is movably connected with the connecting rod 202c, and the positioning block 202g is sleeved on the outer side of the fixing frame 202 f.

The fixing frame 202f is used for supporting the connecting rod 202c, preventing the connecting rod 202c from being deviated, the positioning block 202g is fixed on one side of the door body 102, and the fixing frame 202f can be supported by the positioning block 202g, so that the fixing frame 202f is prevented from being deviated.

When the pressure monitoring feedback sheath needs to be disinfected, the door body 102 needs to be opened, firstly, the limit to the door body 102 needs to be relieved, the connecting rod 202c is pulled, the connecting rod 202c moves to drive the limit block 202b to be separated from the limit hole X, therefore, the limit to the door body 102 can be relieved, then the handle 103 drives the door body 102 to move, the door body 102 is opened, the door body 102 can drive the movable rod 201e to rotate, the second gear 201d can be driven to rotate through the rotation of the movable rod 201e, the second gear 201d can drive the first gear 201c to rotate, the threaded rod 201b can be driven to rotate through the rotation of the first gear 201c, the scraping frame 201a can be driven to move through the rotation of the threaded rod 201b, the liquid can be scraped at the inner wall of the disinfection box 101 through the movement of the scraping frame 201a, the bottom of the disinfection box 101 is provided with the filter disc, then the scraped liquid can flow out from the filter disc, then the door body 102 can be closed through the rotation of the movable rod 201e, the door body 102 can be driven to rotate through the rotation of the movable rod 201e, and the door body 102 can be prevented from being opened by the position of the door body 102, and the door body 102 can be prevented from being opened by the error due to the fact that the door body 102 is contacted with the upper part 102 is opened, and the door body 102 can be opened by the position of the disinfection box 102 is prevented from being opened.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (7)

1. A sterilizing device for a pressure monitoring feedback sheath, which is characterized in that: comprising the steps of (a) a step of,

The main body assembly (100) comprises a disinfection box (101), a door body (102), a handle (103), supporting legs (104), a control panel (105) and a disinfection piece (106), wherein the door body (102) is arranged on one side of the disinfection box (101), the handle (103) is fixed on one side of the door body (102), the supporting legs (104) are fixed on the bottom of the disinfection box (101), the control panel (105) is fixed on one side of the disinfection box (101), and the disinfection piece (106) is arranged on the top of the disinfection box (101);

The scraping assembly (200) is arranged on the disinfection box (101) and comprises a scraping piece (201) and a limiting piece (202), the scraping piece (201) is positioned in the disinfection box (101), and the limiting piece (202) is arranged on the door body (102);

The scraping piece (201) comprises a scraping frame (201 a), a threaded rod (201 b) and a first gear (201 c), wherein the scraping frame (201 a) is arranged on the inner wall of the disinfection box (101), the threaded rod (201 b) is inserted into one side of the scraping frame (201 a), the threaded rod (201 b) is in threaded connection with the scraping frame (201 a), and the first gear (201 c) is sleeved on the outer side of the threaded rod (201 b);

The scraping piece (201) further comprises a second gear (201 d) and a movable rod (201 e), the second gear (201 d) is located on one side of the first gear (201 c), the second gear (201 d) is meshed with the first gear (201 c), and the movable rod (201 e) is inserted into the top of the second gear (201 d);

The limiting piece (202) comprises a fixed block (202 a), a limiting block (202 b) and a connecting rod (202 c), wherein the fixed block (202 a) is fixed on one side of the sterilizing box (101), a limiting hole (X) is formed in the fixed block (202 a), the limiting block (202 b) is located in the limiting hole (X), and the connecting rod (202 c) is fixed on one side of the limiting block (202 b).

2. The pressure monitoring feedback sheath disinfection apparatus of claim 1, wherein: the disinfection piece (106) comprises a disinfection spray head (106 a), a diffusion disc (106 b) and a fixing frame (106 c), wherein the disinfection spray head (106 a) is fixed on the inner wall of the disinfection box (101), the diffusion disc (106 b) is arranged below the disinfection spray head (106 a), and the fixing frame (106 c) is sleeved on the outer side of the disinfection spray head (106 a).

3. The pressure monitoring feedback sheath disinfection apparatus of claim 2, wherein: the disinfection piece (106) further comprises a storage box (106 d) and a feed inlet (106 e), wherein the storage box (106 d) is fixed at the top of the disinfection box (101), and the feed inlet (106 e) is fixed at the top of the storage box (106 d).

4. A pressure monitoring feedback sheath disinfection apparatus as claimed in claim 3, wherein: the disinfection piece (106) further comprises a cooling fan (106 f), a rotating rod (106 g) and a motor (106 h), wherein the cooling fan (106 f) is located on one side of the disinfection box (101), the rotating rod (106 g) is fixed with one side of the cooling fan (106 f), and the motor (106 h) is fixed at one end of the rotating rod (106 g).

5. The pressure monitoring feedback sheath sterilization apparatus of claim 4, wherein: the scraping piece (201) further comprises a movable block (201 f) and a supporting rod (201 g), the movable block (201 f) is fixed on one side of the scraping frame (201 a), the supporting rod (201 g) is inserted into one side of the movable block (201 f), and the supporting rod (201 g) is movably connected with the movable block (201 f).

6. The pressure monitoring feedback sheath sterilization apparatus of claim 5, wherein: the limiting piece (202) further comprises a pressure disc (202 d) and a spring (202 e), the pressure disc (202 d) is sleeved on the outer side of the connecting rod (202 c), and the spring (202 e) is fixed on one side of the pressure disc (202 d).

7. The pressure monitoring feedback sheath sterilization apparatus of claim 6, wherein: the limiting part (202) further comprises a fixed frame (202 f) and a positioning block (202 g), the fixed frame (202 f) is sleeved on the outer side of the connecting rod (202 c), the fixed frame (202 f) is movably connected with the connecting rod (202 c), and the positioning block (202 g) is sleeved on the outer side of the fixed frame (202 f).