CN219047906U - Mosquito net - Google Patents

Abstract

The utility model provides a mosquito net, comprising: a mosquito net frame, the upper side surface of which is provided with an upper curtain cloth; the mosquito net frame is provided with a sliding guide rail; the upper ends and the lower ends of the two curtain body winding devices are respectively connected with the sliding guide rail in a sliding way; one end of the side curtain cloth is wound in one curtain body winding device, and the other end of the side curtain cloth is wound in the other curtain body winding device, so that a mosquito net inlet and outlet are formed between the two curtain body winding devices; the two curtain body rolling devices slide along the sliding guide rail under the action of external force so as to release or roll the side curtain cloth and be used for closing or opening the mosquito net inlet and outlet. The curtain body winding device is innovatively connected with the side curtain cloth, and the side curtain cloth is wound or released, so that the inlet and outlet of the mosquito net are closed or opened, and the operation is convenient; and the positions of the two curtain body winding devices on the sliding guide rail can be adjusted according to the actual positions of the inlet and outlet of the mosquito net, so that the mosquito net can be used for bedrooms with small part of space.

Description

Mosquito net

Technical Field

The utility model relates to the technical field of bedding articles, in particular to a mosquito net.

Background

Mosquito nets are often hung on bed frames to enclose the bed to isolate mosquitoes. Most of the mosquito net is made of net-shaped materials, so that the mosquito net can be used for avoiding mosquitoes and preventing wind, and also can prevent dust falling in the air, and has the advantages of environmental protection, ventilation and multiple recycling. The curtain cloth similar to a door curtain is more used in the existing mosquito net, a proper position is selected in a closed structure, a square opening like a door is formed, then the curtain cloth is fixedly arranged at the top of the square opening, the curtain cloth is pulled out by hands during in-out, and the curtain cloth naturally hangs down.

However, the square opening of the mosquito net is fixed, so that a user needs to enter and exit the mosquito net in a designated opening every time, and therefore, bedrooms with small space (such as bedrooms with small space in front of a bed and large space on two sides of the bed) cannot be used well. In addition, when the mosquito net is opened, the curtain cloth is required to be clamped at other positions of the mosquito net by means of clothes pins, so that the mosquito net is not attractive and is inconvenient to operate.

Disclosure of Invention

The utility model aims to provide a mosquito net, which aims to solve the technical problem that the mosquito net in the prior art is convenient to get in and out.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a mosquito net, comprising: a mosquito net frame, the upper side surface of which is provided with an upper curtain cloth; the mosquito net frame is provided with a sliding guide rail; the upper end and the lower end of the two curtain body winding devices are respectively connected with the sliding guide rail in a sliding way; one end of the side curtain cloth is wound in one curtain body winding device, and the other end of the side curtain cloth is wound in the other curtain body winding device, so that a mosquito net inlet and outlet are formed between the two curtain body winding devices; the two curtain body rolling devices slide along the sliding guide rail under the action of external force so as to release or roll the side curtain cloth and be used for closing or opening the mosquito net inlet and outlet.

Compared with the prior art, the mosquito net abandons the curtain design mode of the mosquito net in the prior art, innovatively adopts the mode of connecting and combining the curtain body winding device and the side curtain cloth, and winds or releases the side curtain cloth, so that the inlet and outlet of the mosquito net are closed or opened, and the operation is convenient; and the positions of the two curtain body winding devices on the sliding guide rail can be changed according to the actual positions of the mosquito net inlet and outlet, so that the mosquito net is used for bedrooms with small part of space.

In a preferred embodiment, the position of the mosquito net access opening on the mosquito net frame varies with the position of the two curtain windups on the mosquito net frame.

In a preferred embodiment, the mosquito net frame comprises an upper rail and a lower rail arranged corresponding to the upper rail, wherein the upper rail and the lower rail are both provided with the sliding guide rail;

the upper ends and the lower ends of the two curtain body winding devices are respectively connected with the sliding guide rails of the upper rail and the lower rail in a sliding manner.

In a preferred embodiment, the lower rails are each provided with a rack, which is arranged along the extension direction of the sliding rail;

the curtain body winding device comprises a handle and a gear set arranged at the lower end of the handle;

a rotating shaft and a curtain body are arranged in the handle, and the curtain body is wound and arranged outside the rotating shaft to form a winding part of the side curtain;

the gear set is in meshed connection with the rack, the gear set is in driving connection with the rotating shaft, so that the rotating shaft is driven to rotate through the gear set in the sliding process of the handle, and the gear set is used for releasing or rolling the curtain body.

In a preferred embodiment, the gear set comprises a frame, a connecting shaft, a rotating gear, a first bevel gear, a second bevel gear, and a synchronizing wheel;

the connecting shaft is rotationally connected with the frame, and the connecting shaft is provided with the rotating gear which synchronously rotates, the first conical gear which synchronously rotates and a synchronous wheel which synchronously rotates; the rotating gear is in meshed connection with the rack, and the synchronous wheel slides on the rack;

the lower extreme of axis of rotation is equipped with the second bevel gear, the second bevel gear with first bevel gear meshing is connected.

In a preferred embodiment, the upper rail and the lower rail are provided with a plurality of positioning grooves, and the positioning grooves are respectively arranged on two opposite sides of the sliding guide rail and have the same extending direction as the sliding guide rail;

a separator is arranged on one side of the frame, facing the handle, and is provided with a plurality of moving parts;

the separator is arranged in the sliding guide rail in a sliding manner, and the plurality of moving parts are respectively arranged in the plurality of positioning grooves in a sliding manner.

In a preferred embodiment, the separator is provided with a containing cavity which is arranged in a penetrating way from top to bottom;

the frame is provided with a through hole which is arranged corresponding to the containing cavity;

the lower end of the rotating shaft sequentially penetrates through the containing cavity and the through hole and then stretches into the frame to be connected with the second bevel gear.

In a preferred embodiment, the lower rail is provided with two clamping mechanism groups which are oppositely arranged, each clamping mechanism group comprises a plurality of clamping heads, and the clamping heads are arranged along the extending direction of the sliding guide rail;

when the separator does not exist between the two clamping mechanism groups, the clamping heads in the two clamping mechanism groups are propped against each other;

when the separator exists between the two clamping mechanism groups, the clamping heads in the two clamping mechanism groups respectively prop against the separator.

In a preferred embodiment, the separator comprises two guides, the two guides being arranged axisymmetrically;

the two guide parts are connected through the head end, and a gap is arranged between the tail ends of the two guide parts;

the horizontal distance between the two guide parts gradually increases from the head end to the tail end to the maximum distance and then gradually decreases.

In a preferred embodiment, the lower rail is provided with two groups of mounting cavities, and the two groups of mounting cavities are arranged corresponding to the two groups of clamping mechanism groups;

each clamping mechanism group further comprises a plurality of springs, and the springs are arranged corresponding to the clamping heads; the spring is connected with the clamping head and is limited in the mounting cavity by the clamping head.

For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.

Drawings

Fig. 1 is a schematic view of a mosquito net;

fig. 2 is a schematic view of a mosquito net (side curtain omitted);

FIG. 3 is one of the cross-sectional views of the curtain wrap device after attachment to the lower track;

FIG. 4 is a second cross-sectional view of the curtain wrap device after it has been coupled to the lower track;

FIG. 5 is a cross-sectional view of the lower track grip side curtain release portion;

FIG. 6 is a schematic view of a separator and a clamping head;

FIG. 7 is a cross-sectional view of the curtain wrap device after attachment to the upper track.

Reference numerals illustrate:

110 mosquito net inlet and outlet, 121 upper rail, 122 lower rail, 123 racks, 124 sliding guide rail, 125 positioning groove, 126 clamping mechanism group, 1261 clamping head, 1262 spring, 127 installation cavity, 128 moving shaft, 129 rotating wheel, 130LED lamp strip, 20 curtain rolling device, 210 frame, 211 connecting shaft, 212 rotating gear, 213 first bevel gear, 214 second bevel gear, 215 separator, 2151 moving part, 2152 storage cavity, 2153 guiding part, 2153a head end, 2153b tail end, 2154 notch, 216 synchronous wheel, 221 rotating shaft, 222 side curtain, 2221 rolling part, 2222 releasing part, 223 upper curtain and 30 side pillar.

Detailed Description

In order to better illustrate the present utility model, the present utility model will be described in further detail below with reference to the accompanying drawings.

It should be understood that the described embodiments are merely some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the embodiments of the present application, are within the scope of the embodiments of the present application.

The terminology used in the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims. In the description of this application, it should be understood that the terms "first," "second," "third," and the like are used merely to distinguish between similar objects and are not necessarily used to describe a particular order or sequence, nor should they be construed to indicate or imply relative importance. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

Furthermore, in the description of the present application, unless otherwise indicated, "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.

Referring to fig. 1 to 7, the present utility model provides a mosquito net comprising: the mosquito net frame 210 has an upper curtain 223 on the upper side; the mosquito net frame 210 is provided with sliding guide rails 124; two curtain winding devices 20, the upper and lower ends of which are respectively connected with the sliding guide rails 124 in a sliding way; a side curtain 222, one end of which is wound in one curtain winding device 20, and the other end of which is wound in the other curtain winding device 20, so that a mosquito net inlet and outlet 110 is formed between the two curtain winding devices 20; the two curtain winders 20 slide along the sliding guide rails 124 under the action of external force to release or wind the side curtain 222, so as to close or open the mosquito net inlet and outlet 110.

Compared with the prior art, the mosquito net abandons the curtain design mode of the mosquito net in the prior art, innovatively adopts the mode of connecting and combining the curtain body rolling device 20 and the side curtain cloth 222, and rolls or releases the side curtain cloth 222 through the curtain body rolling device 20, so that the mosquito net inlet and outlet 110 is closed or opened, and the operation is convenient; moreover, by adjusting the positions of the two curtain winders 20 on the sliding guide rails 124, the positions of the mosquito net inlets and outlets 110 can be changed according to the actual situation, so that the mosquito net can be used for bedrooms with small space.

In one embodiment, the position of the mosquito net access opening 110 on the mosquito net frame 210 varies as the position of two of the curtain runners 20 on the mosquito net frame 210 varies. Specifically, since both the curtain winders 20 slide on the sliding guide rails 124, by sliding one of the curtain winders 20 in a certain direction, the side curtain 222 is wound, and sliding the other curtain winder 20 in the same direction, the side curtain 222 is released, so that the position of the mosquito net inlet and outlet 110 on the mosquito net frame 210 is changed. In this embodiment, the mosquito net inlet and outlet 110 is disposed on any one of the front side, the left side, the right side, or the back side according to the actual requirement, so as to facilitate the user to enter and exit the mosquito net.

As shown in fig. 3 to 5, in one embodiment, the mosquito net frame 210 includes an upper rail 121 and a lower rail 122 disposed corresponding to the upper rail 121, and the upper rail 121 and the lower rail 122 are provided with the sliding guide rail 124; the upper and lower ends of the two curtain reeling devices 20 are respectively slidably connected with the sliding guide rails 124 of the upper rail 121 and the lower rail 122. In this embodiment, the two curtain winding devices 20 are used to position the relative positions of the upper rail 121 and the lower rail 122, and the curtain winding devices 20 are used to support the upper rail.

As shown in fig. 3 to 5, further, the lower rails 122 are each provided with a rack 123, and the racks 123 are disposed along the extending direction of the slide rail 124; the curtain winding device 20 comprises a handle and a gear set arranged at the lower end of the handle; a rotation shaft 221 and a curtain body are arranged in the handle, and the curtain body is wound and arranged outside the rotation shaft 221 to form a winding part 2221 of the side curtain 222; the gear set is in meshed connection with the rack 123, and the gear set is in driving connection with the rotating shaft 221, so that the rotating shaft 221 is driven to rotate through the gear set in the sliding process of the handle, and the curtain body is released or rolled.

Specifically, the user operates the handle to slide the handle along the extending direction of the sliding rail 124, and at the same time, the gear box is engaged with the rack 123, so that the rotation shaft 221 rotates synchronously under the driving action of the gear box, thereby releasing or winding the curtain.

The upper end of the handle is connected with a moving shaft 128 through an axle center rotating structure, the moving shaft 128 is rotationally connected with two rotating wheels 129, and the two rotating wheels 129 are slidingly connected with the upper rail 121; the handle slides in the extending direction of the slide rail 124.

Preferably, the axle center self-rotation body structure can be a bearing structure.

As further shown in connection with fig. 3 to 5, the gear set includes a frame 210, a connection shaft 211, a rotation gear 212, a first bevel gear 213, a second bevel gear 214, and a synchronizing wheel 216; the connecting shaft 211 is rotatably connected with the frame 210, the connecting shaft 211 is provided with the rotating gear 212 which rotates synchronously, the first conical gear 213 which rotates synchronously and the synchronous wheel 216 which rotates synchronously, the rotating gear 212 is meshed with the rack 123, and the synchronous wheel slides on the rack; the lower end of the rotating shaft 221 is provided with the second bevel gear 214, and the second bevel gear 214 is in meshed connection with the first bevel gear 213.

The working principle of the gear box is that the gear box moves along the extending direction of the sliding guide rail 124 under the drive of the handle, and rotates relative to the rack 123, and the rotating gear 212 is meshed with the rack 123, so that the rotating gear 212 rotates under the action of the rack 123 and drives the first conical gear 213 to rotate, and then the second conical gear 214 is meshed with the first conical gear 213 and drives the second conical gear 214 to rotate, thereby completing reversing and driving the rotating shaft 221 to rotate. Moreover, the synchronous wheels synchronously move on the racks, so that noise can be reduced, and the reinforcement is stable.

As further shown in fig. 3 to 5, the frame 210 is provided with a notch, and the rotation gear 212 extends out of the frame 210 through the notch and is engaged with the rack 123.

Preferably, the upper rail 121 and the lower rail 122 are each provided with a plurality of positioning grooves 125, and the plurality of positioning grooves 125 are respectively disposed on two opposite sides of the sliding rail 124, and the extending direction is the same as the extending direction of the sliding rail 124; a separator 215 is arranged on one side of the frame 210 facing the handle, and the separator 215 is provided with a plurality of moving parts 2151; the separator 215 is slidably disposed in the slide rail 124, and the moving parts 2151 are slidably disposed in the positioning grooves 125, respectively. The present application uses a plurality of the positioning grooves 125 and a plurality of the moving parts 2151 on the separator 215 to perform a limit fit, so as to prevent the frame 210 located in the lower rail 122 from loosening from the lower rail 122 during the sliding process.

As further shown in connection with fig. 3-5, the separator 215 has a receiving chamber 2152 disposed therethrough from top to bottom; the frame 210 is provided with a through hole, which is disposed corresponding to the receiving cavity 2152; the lower end of the rotation shaft 221 sequentially passes through the receiving chamber 2152 and the through hole and then extends into the frame 210 to be connected with the second bevel gear 214. The rotary shaft 221 in the handle can sequentially pass through the storage cavity 2152 and the through hole and then extend into the frame 210 to be connected with the second bevel gear 214.

Similarly, in the upper rail, a separator is arranged on one side of the movement shaft close to the handle

As shown in fig. 3 to 5, further, the upper rail 121 and the lower rail 122 are each provided with two sets of clamping mechanism sets 126 disposed opposite to each other, each set of clamping mechanism sets 126 includes a plurality of clamping heads 1261, and the plurality of clamping heads 1261 are disposed in an arrangement along the extending direction of the sliding rail 124; when the separator 215 is not present between the two clamping mechanism sets 126, the clamping heads 1261 in the two clamping mechanism sets 126 are abutted; when the separator 215 is present between the two clamping mechanism sets 126, the clamping heads 1261 in the two clamping mechanism sets 126 respectively abut against the separator 215.

Specifically, when the separator 215 is not present between the two clamping mechanism sets 126, the clamping heads 1261 in the two clamping mechanism sets 126 abut, if there is a side curtain 222 between the two opposite clamping heads 1261, the side curtain 222 is clamped, and if there is no side curtain 222 between the two opposite clamping heads 1261, the two clamping heads 1261 are contacted; the user pulls the handle to slide along the extending direction of the sliding guide rail 124, so as to drive the separator 215 to move on the sliding guide rail 124, and at the same time, the head end 2153a or the tail end 2153b (depending on the moving direction) of the separator 215 struts the two clamping heads 1261, so as to avoid the two clamping heads 1261 from intercepting and blocking the movement of the separator 215.

As shown in fig. 3 to 6, further, the separator 215 includes two guide portions 2153, and the two guide portions 2153 are disposed in axial symmetry; two of the guide portions 2153 are connected by a head end 2153a with a gap 2154 between tail ends 2153b of the two guide portions 2153; the horizontal distance between the two guiding portions 2153 is gradually increased from the head end 2153a to the tail end 2153b to a maximum distance and then gradually decreased.

The present application is connected through the head end 2153a of the guide portions 2153 that two axisymmetric set up, and the horizontal distance between the two guide portions 2153 at the head end 2153a position is small, two clamping heads 1261 that set up relatively can be strutted, two clamping heads 1261 respectively contact with the guide portions 2153 and are strutted by the guide portions 2153, so that the separator 215 can slide in the sliding guide rail 124 smoothly, and along with the sliding of the separator 215, the distance between two clamping heads 1261 that set up relatively gradually increases to the maximum distance and gradually decreases again, and when the tail end 2153b of the guide portion 2153 breaks away from the separator 215, because there is no separator 215 between the two clamping mechanism sets 126 at this time, the clamping heads 1261 in the two clamping mechanism sets 126 are propped against and clamp the release portion 2222 of the side curtain cloth 222 that stretches out from the gap 2154.

Further, the upper rail 121 and the lower rail 122 are provided with two sets of mounting cavities 127, and the two sets of mounting cavities 127 are arranged corresponding to the two sets of clamping mechanism sets 126; each clamping mechanism set 126 further comprises a plurality of springs 1262, and a plurality of springs 1262 are arranged corresponding to a plurality of clamping heads 1261; the spring 1262 is connected to the clamp head 1261 and is constrained by the clamp head 1261 within the mounting cavity 127 to provide a spring force for ejection of the clamp head 1261.

In one embodiment, the inner side and the outer side of the upper rail 121 are provided with lamp sockets; the mosquito net also comprises a lighting device which is arranged in the lamp groove and on the handle. In the embodiment, the lighting device is arranged in the lamp groove and on the handle, so that a user can light at night and quickly find the position of the handle.

Further, the lighting device may be an LED light bar 130.

Further, the mosquito net further comprises a human body induction switch, the human body induction switch is arranged on the upper rail 121 and is used for generating a detection signal when detecting that a human body enters an induction area; the mosquito net further comprises a control device, wherein the control device is electrically connected with the human body induction switch and is used for generating a lamp-on signal when receiving the detection signal; the lighting device is connected with the control device and is used for receiving and following the turn-on signal to turn on the lamp. According to the embodiment, the automatic lighting device is convenient for a user to stand up or turn on automatically in a supine state, and the user is prevented from touching black to find a switch of the lighting device.

Further, the detection range of the human body induction switch can be adjusted according to actual conditions, so that a human body cannot be identified after lying down.

In one embodiment, one side of the upper rail 121 is connected by a side post 30, the bottom of which rests on the ground or bed surface.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.

Claims (10)

1. A mosquito net, comprising:

a mosquito net frame, the upper side surface of which is provided with an upper curtain cloth; the mosquito net frame is provided with a sliding guide rail;

the upper end and the lower end of the two curtain body winding devices are respectively connected with the sliding guide rail in a sliding way;

one end of the side curtain cloth is wound in one curtain body winding device, and the other end of the side curtain cloth is wound in the other curtain body winding device, so that a mosquito net inlet and outlet are formed between the two curtain body winding devices;

the two curtain body rolling devices slide along the sliding guide rail under the action of external force so as to release or roll the side curtain cloth and be used for closing or opening the mosquito net inlet and outlet.

2. The mosquito net of claim 1, wherein:

the positions of the mosquito net inlet and outlet on the mosquito net frame are changed along with the position change of the two curtain body winding devices on the mosquito net frame.

3. The mosquito net of claim 1, wherein:

the mosquito net frame comprises an upper rail and a lower rail which is arranged corresponding to the upper rail, and the upper rail and the lower rail are both provided with the sliding guide rail;

the upper ends and the lower ends of the two curtain body winding devices are respectively connected with the sliding guide rails of the upper rail and the lower rail in a sliding manner.

4. A mosquito net according to claim 3, wherein:

the lower rails are respectively provided with racks, and the racks are arranged along the extending direction of the sliding guide rail;

the curtain body winding device comprises a handle and a gear set arranged at the lower end of the handle;

a rotating shaft and a curtain body are arranged in the handle, and the curtain body is wound and arranged outside the rotating shaft to form a winding part of the side curtain;

the gear set is in meshed connection with the rack, the gear set is in driving connection with the rotating shaft, so that the rotating shaft is driven to rotate through the gear set in the sliding process of the handle, and the gear set is used for releasing or rolling the curtain body.

5. The mosquito net of claim 4, wherein:

the gear set comprises a frame, a connecting shaft, a rotating gear, a first conical gear, a second conical gear and a synchronizing wheel;

the connecting shaft is rotationally connected with the frame, and the connecting shaft is provided with the rotating gear which synchronously rotates, the first conical gear which synchronously rotates and a synchronous wheel which synchronously rotates; the rotating gear is in meshed connection with the rack, and the synchronous wheel slides on the rack;

the lower extreme of axis of rotation is equipped with the second bevel gear, the second bevel gear with first bevel gear meshing is connected.

6. The mosquito net of claim 5, wherein:

the upper rail and the lower rail are respectively provided with a plurality of positioning grooves, and the positioning grooves are respectively arranged on two opposite sides of the sliding guide rail and have the same extending direction as the sliding guide rail;

a separator is arranged on one side of the frame, facing the handle, and is provided with a plurality of moving parts;

the separator is arranged in the sliding guide rail in a sliding manner, and the plurality of moving parts are respectively arranged in the plurality of positioning grooves in a sliding manner.

7. The mosquito net of claim 6, wherein:

the separator is provided with a containing cavity which is arranged in a penetrating way from top to bottom;

the frame is provided with a through hole which is arranged corresponding to the containing cavity;

the lower end of the rotating shaft sequentially penetrates through the containing cavity and the through hole and then stretches into the frame to be connected with the second bevel gear.

8. The mosquito net of claim 6, wherein:

the lower rail is provided with two clamping mechanism groups which are oppositely arranged, each clamping mechanism group comprises a plurality of clamping heads, and the clamping heads are arranged along the extending direction of the sliding guide rail;

when the separator does not exist between the two clamping mechanism groups, the clamping heads in the two clamping mechanism groups are propped against each other;

when the separator exists between the two clamping mechanism groups, the clamping heads in the two clamping mechanism groups respectively prop against the separator.

9. The mosquito net of claim 8, wherein:

the separator comprises two guide parts which are arranged in an axisymmetric way;

the two guide parts are connected through the head end, and a gap is arranged between the tail ends of the two guide parts;

the horizontal distance between the two guide parts gradually increases from the head end to the tail end to the maximum distance and then gradually decreases.

10. The mosquito net of claim 8, wherein:

the lower rail is provided with two groups of mounting cavities, and the two groups of mounting cavities are arranged corresponding to the two groups of clamping mechanism groups;

each clamping mechanism group further comprises a plurality of springs, and the springs are arranged corresponding to the clamping heads; the spring is connected with the clamping head and is limited in the mounting cavity by the clamping head.

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